Cohomology of group number 1311 of order 128

About the group Ring generators Ring relations Completion information Restriction maps Back to groups of order 128


General information on the group

  • The group has 4 minimal generators and exponent 4.
  • It is non-abelian.
  • It has p-Rank 4.
  • Its center has rank 3.
  • It has 2 conjugacy classes of maximal elementary abelian subgroups, which are all of rank 4.


Structure of the cohomology ring

General information

  • The cohomology ring is of dimension 4 and depth 3.
  • The depth coincides with the Duflot bound.
  • The Poincaré series is
    (t3  +  2·t  +  1) · (t3  +  t2  +  1)

    (t  +  1)2 · (t  −  1)4 · (t2  +  1)2
  • The a-invariants are -∞,-∞,-∞,-5,-4. They were obtained using the filter regular HSOP of the Benson test.

About the group Ring generators Ring relations Completion information Restriction maps Back to groups of order 128

Ring generators

The cohomology ring has 15 minimal generators of maximal degree 5:

  1. a_1_1, a nilpotent element of degree 1
  2. a_1_2, a nilpotent element of degree 1
  3. b_1_0, an element of degree 1
  4. b_1_3, an element of degree 1
  5. c_2_7, a Duflot regular element of degree 2
  6. a_3_11, a nilpotent element of degree 3
  7. a_3_10, a nilpotent element of degree 3
  8. b_3_12, an element of degree 3
  9. b_3_13, an element of degree 3
  10. b_3_14, an element of degree 3
  11. b_3_15, an element of degree 3
  12. c_4_26, a Duflot regular element of degree 4
  13. c_4_27, a Duflot regular element of degree 4
  14. b_5_43, an element of degree 5
  15. b_5_44, an element of degree 5

About the group Ring generators Ring relations Completion information Restriction maps Back to groups of order 128

Ring relations

There are 57 minimal relations of maximal degree 10:

  1. a_1_22 + a_1_1·a_1_2 + a_1_12
  2. a_1_2·b_1_0
  3. b_1_0·b_1_3 + a_1_1·b_1_0 + a_1_12
  4. a_1_13
  5. a_1_12·b_1_3
  6. a_1_2·a_3_11 + a_1_1·a_3_10 + c_2_7·a_1_12
  7. b_1_0·a_3_10 + c_2_7·a_1_1·b_1_0
  8. a_1_2·a_3_10 + a_1_2·a_3_11 + a_1_1·a_3_11 + c_2_7·a_1_1·a_1_2
  9. b_1_0·a_3_11 + a_1_1·b_3_12 + a_1_2·a_3_11 + c_2_7·a_1_1·a_1_2 + c_2_7·a_1_12
  10. b_1_3·b_3_12 + b_1_3·a_3_10 + b_1_0·a_3_11 + a_1_1·a_3_11 + c_2_7·a_1_2·b_1_3
  11. a_1_2·b_3_12 + a_1_2·a_3_11 + a_1_1·a_3_11 + c_2_7·a_1_12
  12. a_1_2·b_3_13 + a_1_2·a_3_11 + c_2_7·a_1_2·b_1_3
  13. b_1_3·b_3_13 + a_1_1·b_3_14 + a_1_1·b_3_13 + c_2_7·b_1_32 + c_2_7·a_1_1·b_1_3
  14. b_1_0·b_3_14 + a_1_1·b_3_13 + c_2_7·a_1_1·b_1_3
  15. b_1_3·b_3_13 + b_1_3·a_3_10 + a_1_2·b_3_14 + a_1_1·b_3_15 + c_2_7·b_1_32
       + c_2_7·a_1_12
  16. b_1_0·b_3_15 + b_1_0·b_3_13 + a_1_1·b_3_13 + c_2_7·a_1_1·b_1_3 + c_2_7·a_1_1·b_1_0
  17. b_1_3·b_3_13 + b_1_3·a_3_10 + b_1_3·a_3_11 + a_1_2·b_3_15 + a_1_1·b_3_13 + a_1_2·a_3_11
       + c_2_7·b_1_32 + c_2_7·a_1_2·b_1_3 + c_2_7·a_1_1·a_1_2
  18. a_1_12·b_3_14 + a_1_12·a_3_11
  19. a_3_102 + a_3_11·a_3_10 + a_3_112 + c_2_7·a_1_1·a_3_11 + c_2_72·a_1_12
  20. a_3_10·b_3_12 + a_3_11·a_3_10 + a_3_112 + c_2_7·a_1_1·b_3_12
  21. b_3_12·b_3_15 + b_3_12·b_3_13 + a_3_10·b_3_15 + a_3_10·b_3_12 + a_3_11·b_3_13 + a_3_112
       + c_2_7·a_1_1·b_3_14 + c_2_7·a_1_1·b_3_13 + c_2_7·a_1_1·a_3_10 + c_2_7·a_1_1·a_3_11
  22. a_3_10·b_3_13 + a_3_11·a_3_10 + c_2_7·a_1_2·b_3_14 + c_2_7·a_1_1·b_3_15
       + c_2_7·a_1_1·b_3_14 + c_2_7·a_1_1·a_3_11 + c_2_7·a_1_1·a_1_2·b_1_32
       + c_2_72·a_1_12
  23. b_3_13·b_3_15 + b_3_13·b_3_14 + b_3_132 + a_3_11·b_3_15 + a_3_11·b_3_14 + a_3_11·b_3_13
       + c_2_7·b_1_3·b_3_15 + c_2_7·b_1_3·b_3_14 + c_2_7·a_1_2·b_1_33 + c_2_7·a_1_1·b_3_14
       + c_2_7·a_1_1·b_1_33 + c_2_7·a_1_1·a_3_11 + c_2_72·b_1_32
  24. b_3_12·b_3_14 + a_3_10·b_3_14 + a_3_10·b_3_13 + a_3_11·b_3_13 + a_3_11·a_3_10
       + c_2_7·a_1_2·b_3_15 + c_2_7·a_1_2·b_3_14 + c_2_7·a_1_1·b_3_14 + c_2_7·a_1_1·b_3_13
       + c_2_7·a_1_1·a_3_10 + c_2_7·a_1_1·a_3_11 + c_2_7·a_1_1·a_1_2·b_1_32
       + c_2_72·a_1_2·b_1_3 + c_2_72·a_1_1·a_1_2 + c_2_72·a_1_12
  25. a_3_112 + c_4_26·a_1_12 + c_2_7·a_1_1·a_1_2·b_1_32 + c_2_72·a_1_12
  26. b_3_12·b_3_15 + b_3_12·b_3_13 + a_3_10·b_3_14 + a_3_10·b_3_12 + a_3_11·b_3_15
       + a_3_11·a_3_10 + a_3_112 + a_1_1·a_1_2·b_1_3·b_3_15 + c_4_26·a_1_1·b_1_3
       + c_2_7·a_1_2·b_3_14 + c_2_7·a_1_2·b_1_33 + c_2_7·a_1_1·b_3_14 + c_2_7·a_1_1·a_3_11
       + c_2_72·a_1_1·b_1_3
  27. a_3_10·b_3_14 + a_3_11·b_3_15 + a_3_11·b_3_14 + a_3_11·b_3_13 + a_1_1·a_1_2·b_1_3·b_3_15
       + c_4_26·a_1_2·b_1_3 + c_2_7·a_1_2·b_1_33 + c_2_7·a_1_1·b_3_14 + c_2_7·a_1_1·b_1_33
       + c_2_7·a_1_1·a_3_11 + c_2_7·a_1_1·a_1_2·b_1_32 + c_2_72·a_1_2·b_1_3
  28. a_3_11·b_3_12 + a_3_11·a_3_10 + c_4_26·a_1_1·b_1_0 + c_2_7·a_1_1·a_3_10
       + c_2_72·a_1_1·b_1_0 + c_2_72·a_1_12
  29. b_3_122 + a_1_1·b_1_02·b_3_12 + a_1_1·b_1_05 + a_3_11·a_3_10 + a_3_112
       + c_4_26·b_1_02 + c_2_7·a_1_1·a_3_11 + c_2_72·b_1_02 + c_2_72·a_1_1·a_1_2
  30. a_3_11·a_3_10 + c_4_26·a_1_1·a_1_2 + c_2_7·a_1_1·a_3_11 + c_2_7·a_1_1·a_1_2·b_1_32
       + c_2_72·a_1_1·a_1_2
  31. b_3_142 + a_1_2·b_1_32·b_3_14 + a_1_1·b_1_32·b_3_15 + a_1_1·b_1_32·b_3_14
       + a_3_112 + a_1_1·a_1_2·b_1_3·b_3_14 + c_4_26·b_1_32 + c_2_7·a_1_1·b_1_33
       + c_4_27·a_1_12 + c_2_7·a_1_1·a_1_2·b_1_32 + c_2_72·b_1_32 + c_2_72·a_1_12
  32. b_3_13·b_3_14 + b_3_12·b_3_15 + b_3_12·b_3_13 + a_3_10·b_3_14 + a_3_10·b_3_12
       + a_3_11·b_3_15 + a_3_11·a_3_10 + a_1_1·a_1_2·b_1_3·b_3_15 + a_1_1·a_1_2·b_1_3·b_3_14
       + c_2_7·b_1_3·b_3_14 + c_4_27·a_1_1·b_1_0 + c_2_7·a_1_2·b_3_14 + c_2_7·a_1_2·b_1_33
       + c_2_7·a_1_1·b_3_14 + c_2_7·a_1_1·a_3_11 + c_2_7·a_1_1·a_1_2·b_1_32
       + c_2_72·a_1_1·b_1_0
  33. b_3_132 + a_1_1·b_1_02·b_3_12 + a_1_1·b_1_05 + a_3_112 + c_4_27·b_1_02
       + c_2_7·a_1_1·a_1_2·b_1_32 + c_2_72·b_1_32 + c_2_72·b_1_02
  34. b_3_152 + b_3_132 + a_1_2·b_1_32·b_3_15 + a_1_1·b_1_32·b_3_15
       + a_1_1·b_1_32·b_3_14 + a_3_11·a_3_10 + c_4_26·b_1_32 + c_2_7·b_1_34
       + c_2_7·a_1_2·b_1_33 + c_2_7·a_1_1·b_1_33 + c_4_27·a_1_1·a_1_2 + c_2_7·a_1_1·a_3_11
       + c_2_72·b_1_32 + c_2_72·a_1_1·a_1_2 + c_2_72·a_1_12
  35. b_3_152 + b_3_142 + b_3_132 + b_3_12·b_3_15 + b_3_12·b_3_14 + b_3_12·b_3_13
       + a_3_10·b_3_12 + a_3_11·b_3_15 + a_1_2·b_1_32·b_3_15 + a_1_2·b_1_32·b_3_14
       + a_1_1·b_5_43 + a_1_1·b_1_32·b_3_15 + a_1_1·b_1_32·b_3_14 + a_3_11·a_3_10 + a_3_112
       + a_1_1·a_1_2·b_1_3·b_3_15 + a_1_1·a_1_2·b_1_3·b_3_14 + c_2_7·b_1_34
       + c_2_7·a_1_1·b_3_14 + c_2_7·a_1_1·b_3_13 + c_2_7·a_1_1·b_1_33 + c_2_7·a_1_1·a_3_10
       + c_2_72·a_1_1·b_1_3 + c_2_72·a_1_1·b_1_0
  36. b_3_12·b_3_15 + b_3_12·b_3_13 + b_1_3·b_5_43 + b_1_33·b_3_15 + b_1_33·b_3_14
       + a_3_10·b_3_13 + a_3_10·b_3_12 + a_3_112 + a_1_1·a_1_2·b_1_3·b_3_15
       + a_1_1·a_1_2·b_1_3·b_3_14 + c_4_26·b_1_32 + c_2_7·b_1_34 + c_4_27·a_1_2·b_1_3
       + c_4_27·a_1_1·b_1_3 + c_2_7·a_1_2·b_3_14 + c_2_7·a_1_2·b_1_33 + c_2_7·a_1_1·b_3_14
       + c_2_7·a_1_1·b_1_33 + c_2_7·a_1_1·a_3_11 + c_2_7·a_1_1·a_1_2·b_1_32
       + c_2_72·b_1_32 + c_2_72·a_1_2·b_1_3 + c_2_72·a_1_1·b_1_0 + c_2_72·a_1_12
  37. b_3_13·b_3_14 + b_3_12·b_3_15 + b_1_0·b_5_43 + a_3_10·b_3_14 + a_3_10·b_3_13
       + a_3_10·b_3_12 + a_3_11·b_3_15 + a_1_1·b_1_02·b_3_12 + a_3_11·a_3_10 + a_3_112
       + a_1_1·a_1_2·b_1_3·b_3_15 + a_1_1·a_1_2·b_1_3·b_3_14 + c_2_7·b_1_3·b_3_14
       + c_2_7·b_1_0·b_3_13 + c_2_7·a_1_2·b_3_14 + c_2_7·a_1_2·b_1_33 + c_2_7·a_1_1·b_3_14
       + c_2_7·a_1_1·b_1_03 + c_2_7·a_1_1·a_3_10 + c_2_72·b_1_02 + c_2_72·a_1_2·b_1_3
       + c_2_72·a_1_1·b_1_0
  38. b_3_142 + a_3_10·b_3_14 + a_3_11·b_3_15 + a_3_11·b_3_14 + a_3_11·b_3_13 + a_1_2·b_5_43
       + a_1_2·b_1_32·b_3_15 + a_1_1·b_1_32·b_3_15 + a_1_1·b_1_32·b_3_14 + a_3_11·a_3_10
       + a_1_1·a_1_2·b_1_3·b_3_15 + a_1_1·a_1_2·b_1_3·b_3_14 + c_4_26·b_1_32
       + c_2_7·a_1_1·b_3_14 + c_2_7·a_1_1·a_3_10 + c_2_7·a_1_1·a_3_11
       + c_2_7·a_1_1·a_1_2·b_1_32 + c_2_72·b_1_32 + c_2_72·a_1_12
  39. b_3_13·b_3_14 + a_3_11·b_3_15 + a_3_11·b_3_14 + a_3_11·b_3_13 + a_1_1·b_5_44
       + a_1_1·b_1_32·b_3_15 + a_1_1·b_1_02·b_3_12 + a_3_11·a_3_10 + a_3_112
       + a_1_1·a_1_2·b_1_3·b_3_15 + a_1_1·a_1_2·b_1_3·b_3_14 + c_2_7·b_1_3·b_3_14
       + c_2_7·a_1_2·b_1_33 + c_2_7·a_1_1·b_3_13 + c_2_7·a_1_1·b_1_33 + c_2_7·a_1_1·a_3_10
       + c_2_7·a_1_1·a_3_11 + c_2_7·a_1_1·a_1_2·b_1_32 + c_2_72·a_1_1·b_1_3
  40. b_3_152 + b_3_14·b_3_15 + b_3_132 + b_3_12·b_3_15 + b_3_12·b_3_14 + b_3_12·b_3_13
       + b_1_3·b_5_44 + b_1_33·b_3_15 + a_3_10·b_3_14 + a_3_10·b_3_13 + a_3_10·b_3_12
       + a_3_11·b_3_14 + a_1_2·b_1_32·b_3_14 + a_1_1·b_1_02·b_3_12 + a_3_112
       + c_4_26·b_1_32 + c_2_7·b_1_3·b_3_14 + c_2_7·b_1_34 + c_2_7·a_1_1·a_3_11
       + c_2_72·b_1_32 + c_2_72·a_1_12
  41. b_3_132 + b_1_0·b_5_44 + b_1_03·b_3_12 + a_3_10·b_3_12 + a_3_11·b_3_12 + a_1_1·b_1_05
       + a_3_112 + c_2_7·b_1_0·b_3_13 + c_2_72·b_1_32 + c_2_72·a_1_1·a_1_2
  42. b_3_12·b_3_15 + b_3_12·b_3_13 + a_3_10·b_3_12 + a_3_11·b_3_15 + a_3_11·b_3_14
       + a_1_2·b_5_44 + a_1_2·b_1_32·b_3_15 + a_1_1·a_1_2·b_1_3·b_3_15
       + a_1_1·a_1_2·b_1_3·b_3_14 + c_2_7·a_1_2·b_3_14 + c_2_7·a_1_2·b_1_33
       + c_2_7·a_1_1·a_3_10 + c_2_7·a_1_1·a_3_11 + c_2_7·a_1_1·a_1_2·b_1_32
       + c_2_72·a_1_1·a_1_2 + c_2_72·a_1_12
  43. b_3_12·b_5_43 + a_3_10·b_5_43 + a_1_1·b_1_02·b_5_43 + a_1_1·b_1_04·b_3_13
       + c_4_26·b_1_0·b_3_13 + c_2_7·b_1_0·b_5_43 + c_4_27·a_1_1·b_3_12
       + c_4_26·a_1_1·b_1_03 + c_2_7·a_1_2·b_1_32·b_3_15 + c_2_7·a_1_2·b_1_32·b_3_14
       + c_2_7·a_1_1·b_1_02·b_3_13 + c_4_27·a_1_1·a_3_10 + c_4_26·a_1_1·a_3_11
       + c_2_7·a_1_1·a_1_2·b_1_34 + c_2_72·b_1_0·b_3_12 + c_2_7·c_4_27·a_1_1·b_1_0
       + c_2_7·c_4_26·a_1_2·b_1_3 + c_2_72·a_1_2·b_1_33 + c_2_72·a_1_1·b_1_03
       + c_2_7·c_4_27·a_1_1·a_1_2 + c_2_7·c_4_27·a_1_12 + c_2_7·c_4_26·a_1_1·a_1_2
       + c_2_7·c_4_26·a_1_12 + c_2_72·a_1_1·a_3_10 + c_2_72·a_1_1·a_1_2·b_1_32
       + c_2_73·b_1_02 + c_2_73·a_1_2·b_1_3 + c_2_73·a_1_1·b_1_0 + c_2_73·a_1_1·a_1_2
  44. b_3_15·b_5_43 + b_3_13·b_5_43 + b_1_33·b_5_44 + b_1_35·b_3_15 + a_1_2·b_1_34·b_3_14
       + a_1_1·b_1_32·b_5_44 + a_1_1·b_1_34·b_3_15 + a_1_1·a_1_2·b_1_33·b_3_15
       + c_4_26·b_1_3·b_3_15 + c_4_26·b_1_34 + c_2_7·b_1_36 + c_4_27·a_1_2·b_3_15
       + c_4_27·a_1_1·b_3_15 + c_4_27·a_1_1·b_3_13 + c_4_27·a_1_1·b_3_12 + c_4_26·a_1_2·b_3_14
       + c_4_26·a_1_2·b_1_33 + c_4_26·a_1_1·b_3_15 + c_2_7·a_1_2·b_1_32·b_3_14
       + c_2_7·a_1_1·b_5_43 + c_2_7·a_1_1·b_1_32·b_3_15 + c_2_7·a_1_1·b_1_32·b_3_14
       + c_2_7·a_1_1·b_1_35 + c_4_26·a_1_1·a_3_11 + c_2_7·a_1_1·a_1_2·b_1_3·b_3_15
       + c_2_7·a_1_1·a_1_2·b_1_34 + c_2_7·c_4_26·b_1_32 + c_2_72·b_1_3·b_3_15
       + c_2_72·b_1_34 + c_2_7·c_4_27·a_1_2·b_1_3 + c_2_7·c_4_27·a_1_1·b_1_0
       + c_2_7·c_4_26·a_1_2·b_1_3 + c_2_72·a_1_2·b_3_15 + c_2_72·a_1_2·b_3_14
       + c_2_72·a_1_1·b_3_12 + c_2_72·a_1_1·a_3_11 + c_2_72·a_1_1·a_1_2·b_1_32
       + c_2_73·b_1_32 + c_2_73·a_1_1·b_1_3 + c_2_73·a_1_1·b_1_0
  45. a_3_10·b_5_43 + a_1_2·b_1_32·b_5_44 + a_1_2·b_1_34·b_3_15
       + a_1_1·a_1_2·b_1_33·b_3_14 + c_4_26·a_1_2·b_3_14 + c_4_26·a_1_2·b_1_33
       + c_4_26·a_1_1·b_3_15 + c_4_26·a_1_1·b_3_14 + c_4_26·a_1_1·b_3_13 + c_2_7·a_1_1·b_5_43
       + c_2_7·a_1_1·b_1_35 + c_4_27·a_1_1·a_3_11 + c_4_26·a_1_1·a_3_10
       + c_4_26·a_1_1·a_3_11 + c_2_7·a_1_1·a_1_2·b_1_34 + c_2_72·a_1_2·b_3_14
       + c_2_72·a_1_2·b_1_33 + c_2_72·a_1_1·b_3_15 + c_2_72·a_1_1·b_3_14
       + c_2_72·a_1_1·b_3_13 + c_2_7·c_4_26·a_1_1·a_1_2 + c_2_7·c_4_26·a_1_12
       + c_2_72·a_1_1·a_3_10 + c_2_73·a_1_1·a_1_2 + c_2_73·a_1_12
  46. a_3_11·b_5_43 + a_1_1·b_1_32·b_5_44 + a_1_1·b_1_34·b_3_15 + a_1_1·a_1_2·b_1_3·b_5_44
       + c_4_26·a_1_2·b_3_15 + c_4_26·a_1_2·b_3_14 + c_4_26·a_1_1·b_3_15
       + c_4_26·a_1_1·b_1_33 + c_2_7·a_1_2·b_1_35 + c_2_7·a_1_1·b_5_43
       + c_2_7·a_1_1·b_1_32·b_3_15 + c_2_7·a_1_1·b_1_32·b_3_14 + c_2_7·a_1_1·b_1_35
       + c_4_27·a_1_1·a_3_10 + c_4_27·a_1_1·a_3_11 + c_4_26·a_1_1·a_3_11
       + c_2_7·a_1_1·a_1_2·b_1_3·b_3_14 + c_2_7·a_1_1·a_1_2·b_1_34
       + c_2_7·c_4_26·a_1_2·b_1_3 + c_2_72·a_1_2·b_3_15 + c_2_72·a_1_2·b_3_14
       + c_2_72·a_1_1·b_3_15 + c_2_72·a_1_1·b_3_13 + c_2_72·a_1_1·b_3_12
       + c_2_7·c_4_27·a_1_1·a_1_2 + c_2_7·c_4_26·a_1_1·a_1_2 + c_2_7·c_4_26·a_1_12
       + c_2_72·a_1_1·a_3_10 + c_2_72·a_1_1·a_3_11 + c_2_72·a_1_1·a_1_2·b_1_32
       + c_2_73·a_1_2·b_1_3 + c_2_73·a_1_1·b_1_3 + c_2_73·a_1_1·b_1_0 + c_2_73·a_1_1·a_1_2
  47. b_3_13·b_5_43 + b_3_12·b_5_44 + b_3_12·b_5_43 + a_3_11·b_5_43 + a_1_1·b_1_32·b_5_44
       + a_1_1·b_1_34·b_3_15 + a_1_1·b_1_04·b_3_13 + a_1_1·b_1_07 + c_4_26·b_1_0·b_3_13
       + c_4_26·b_1_04 + c_2_7·b_1_33·b_3_15 + c_2_7·b_1_33·b_3_14 + c_4_27·a_1_1·b_3_13
       + c_4_27·a_1_1·b_3_12 + c_4_26·a_1_2·b_1_33 + c_4_26·a_1_1·b_3_15
       + c_4_26·a_1_1·b_3_14 + c_4_26·a_1_1·b_3_12 + c_4_26·a_1_1·b_1_33
       + c_4_26·a_1_1·b_1_03 + c_2_7·a_1_2·b_1_35 + c_2_7·a_1_1·b_1_32·b_3_15
       + c_2_7·a_1_1·b_1_32·b_3_14 + c_2_7·a_1_1·b_1_35 + c_2_7·a_1_1·b_1_02·b_3_13
       + c_2_7·a_1_1·b_1_05 + c_4_27·a_1_1·a_3_10 + c_4_26·a_1_1·a_3_10
       + c_2_7·a_1_1·a_1_2·b_1_3·b_3_15 + c_2_7·c_4_27·b_1_02 + c_2_7·c_4_26·b_1_32
       + c_2_72·b_1_34 + c_2_72·b_1_0·b_3_12 + c_2_72·b_1_04 + c_2_7·c_4_27·a_1_2·b_1_3
       + c_2_7·c_4_27·a_1_1·b_1_0 + c_2_7·c_4_26·a_1_2·b_1_3 + c_2_7·c_4_26·a_1_1·b_1_3
       + c_2_7·c_4_26·a_1_1·b_1_0 + c_2_72·a_1_2·b_3_15 + c_2_72·a_1_2·b_1_33
       + c_2_72·a_1_1·b_3_15 + c_2_72·a_1_1·b_3_14 + c_2_72·a_1_1·b_1_33
       + c_2_72·a_1_1·b_1_03 + c_2_7·c_4_26·a_1_1·a_1_2 + c_2_7·c_4_26·a_1_12
       + c_2_73·b_1_32 + c_2_73·b_1_02 + c_2_73·a_1_2·b_1_3 + c_2_73·a_1_1·a_1_2
  48. b_3_14·b_5_44 + b_3_14·b_5_43 + a_1_2·b_1_34·b_3_14 + a_1_1·b_1_34·b_3_15
       + a_1_1·b_1_34·b_3_14 + a_1_1·b_1_02·b_5_43 + c_4_26·b_1_3·b_3_15
       + c_4_26·b_1_3·b_3_14 + c_4_26·b_1_34 + c_2_7·b_1_33·b_3_14 + c_4_27·a_1_2·b_3_14
       + c_4_27·a_1_1·b_3_14 + c_4_27·a_1_1·b_3_13 + c_4_27·a_1_1·b_3_12 + c_4_26·a_1_2·b_3_15
       + c_4_26·a_1_2·b_3_14 + c_4_26·a_1_2·b_1_33 + c_4_26·a_1_1·b_3_15
       + c_2_7·a_1_2·b_1_32·b_3_14 + c_2_7·a_1_1·b_1_32·b_3_14
       + c_2_7·a_1_1·b_1_02·b_3_13 + c_4_26·a_1_1·a_3_11 + c_2_7·a_1_1·a_1_2·b_1_34
       + c_2_7·c_4_26·b_1_32 + c_2_72·b_1_3·b_3_15 + c_2_72·b_1_3·b_3_14
       + c_2_72·b_1_34 + c_2_7·c_4_27·a_1_1·b_1_3 + c_2_7·c_4_26·a_1_2·b_1_3
       + c_2_72·a_1_2·b_3_15 + c_2_72·a_1_2·b_1_33 + c_2_72·a_1_1·b_3_15
       + c_2_72·a_1_1·b_3_12 + c_2_72·a_1_1·b_1_03 + c_2_7·c_4_27·a_1_1·a_1_2
       + c_2_7·c_4_27·a_1_12 + c_2_7·c_4_26·a_1_1·a_1_2 + c_2_7·c_4_26·a_1_12
       + c_2_72·a_1_1·a_3_11 + c_2_73·b_1_32 + c_2_73·a_1_2·b_1_3
  49. b_3_15·b_5_44 + b_3_15·b_5_43 + b_3_14·b_5_43 + b_3_13·b_5_44 + a_3_11·b_5_43
       + a_1_2·b_1_34·b_3_14 + a_1_1·b_1_34·b_3_15 + a_1_1·b_1_34·b_3_14
       + a_1_1·b_1_04·b_3_12 + a_1_1·a_1_2·b_1_33·b_3_15 + c_4_27·b_1_0·b_3_12
       + c_4_26·b_1_3·b_3_15 + c_4_26·b_1_34 + c_4_27·a_1_2·b_3_15 + c_4_27·a_1_2·b_3_14
       + c_4_27·a_1_1·b_3_15 + c_4_27·a_1_1·b_3_14 + c_4_27·a_1_1·b_3_13 + c_4_26·a_1_2·b_3_15
       + c_4_26·a_1_2·b_1_33 + c_4_26·a_1_1·b_3_15 + c_4_26·a_1_1·b_3_13
       + c_4_26·a_1_1·b_1_33 + c_4_26·a_1_1·b_1_03 + c_2_7·a_1_2·b_1_32·b_3_15
       + c_2_7·a_1_1·b_1_32·b_3_15 + c_2_7·a_1_1·b_1_35 + c_2_7·a_1_1·b_1_02·b_3_13
       + c_2_7·a_1_1·b_1_05 + c_4_27·a_1_1·a_3_10 + c_4_26·a_1_1·a_3_10
       + c_4_26·a_1_1·a_3_11 + c_4_26·a_1_1·a_1_2·b_1_32 + c_2_7·c_4_27·b_1_02
       + c_2_72·b_1_3·b_3_15 + c_2_72·b_1_34 + c_2_72·b_1_0·b_3_13 + c_2_72·b_1_0·b_3_12
       + c_2_7·c_4_27·a_1_1·b_1_3 + c_2_7·c_4_27·a_1_1·b_1_0 + c_2_7·c_4_26·a_1_2·b_1_3
       + c_2_7·c_4_26·a_1_1·b_1_3 + c_2_72·a_1_2·b_3_15 + c_2_72·a_1_2·b_3_14
       + c_2_72·a_1_2·b_1_33 + c_2_72·a_1_1·b_3_15 + c_2_72·a_1_1·b_3_14
       + c_2_72·a_1_1·b_3_12 + c_2_72·a_1_1·b_1_03 + c_2_7·c_4_27·a_1_12
       + c_2_7·c_4_26·a_1_1·a_1_2 + c_2_72·a_1_1·a_3_11 + c_2_72·a_1_1·a_1_2·b_1_32
       + c_2_73·b_1_02 + c_2_73·a_1_1·b_1_3 + c_2_73·a_1_1·a_1_2
  50. a_3_10·b_5_43 + a_3_11·b_5_44 + a_3_11·b_5_43 + a_1_1·b_1_32·b_5_44
       + a_1_1·b_1_34·b_3_15 + c_4_27·a_1_1·b_3_12 + c_4_26·a_1_2·b_3_14
       + c_4_26·a_1_1·b_3_13 + c_4_26·a_1_1·b_1_03 + c_2_7·a_1_2·b_1_32·b_3_15
       + c_2_7·a_1_1·b_5_43 + c_2_7·a_1_1·b_1_32·b_3_15 + c_2_7·a_1_1·b_1_32·b_3_14
       + c_2_7·a_1_1·b_1_35 + c_4_26·a_1_1·a_3_10 + c_4_26·a_1_1·a_1_2·b_1_32
       + c_2_7·a_1_1·a_1_2·b_1_3·b_3_15 + c_2_7·c_4_26·a_1_1·b_1_3 + c_2_72·a_1_2·b_3_14
       + c_2_72·a_1_2·b_1_33 + c_2_72·a_1_1·b_3_13 + c_2_72·a_1_1·b_1_33
       + c_2_72·a_1_1·b_1_03 + c_2_7·c_4_27·a_1_1·a_1_2 + c_2_7·c_4_27·a_1_12
       + c_2_7·c_4_26·a_1_1·a_1_2 + c_2_72·a_1_1·a_3_11 + c_2_73·a_1_1·b_1_3
       + c_2_73·a_1_1·a_1_2 + c_2_73·a_1_12
  51. b_3_15·b_5_43 + b_3_14·b_5_43 + a_3_10·b_5_44 + a_3_10·b_5_43 + a_3_11·b_5_43
       + a_1_2·b_1_34·b_3_15 + a_1_2·b_1_34·b_3_14 + a_1_1·b_1_02·b_5_43
       + a_1_1·b_1_04·b_3_12 + a_1_1·a_1_2·b_1_33·b_3_15 + a_1_1·a_1_2·b_1_33·b_3_14
       + c_4_27·b_1_0·b_3_12 + c_4_26·b_1_3·b_3_15 + c_4_26·b_1_3·b_3_14
       + c_2_7·b_1_33·b_3_15 + c_2_7·b_1_33·b_3_14 + c_2_7·b_1_36 + c_4_27·a_1_2·b_3_15
       + c_4_27·a_1_2·b_3_14 + c_4_27·a_1_1·b_3_15 + c_4_27·a_1_1·b_3_14 + c_4_26·a_1_2·b_3_15
       + c_4_26·a_1_2·b_3_14 + c_4_26·a_1_2·b_1_33 + c_4_26·a_1_1·b_3_15
       + c_4_26·a_1_1·b_3_13 + c_4_26·a_1_1·b_1_03 + c_2_7·a_1_2·b_1_32·b_3_15
       + c_2_7·a_1_2·b_1_32·b_3_14 + c_2_7·a_1_1·b_5_43 + c_2_7·a_1_1·b_1_32·b_3_14
       + c_2_7·a_1_1·b_1_35 + c_2_7·a_1_1·b_1_05 + c_4_27·a_1_1·a_3_10
       + c_4_27·a_1_1·a_1_2·b_1_32 + c_4_26·a_1_1·a_3_10 + c_2_7·a_1_1·a_1_2·b_1_3·b_3_15
       + c_2_7·a_1_1·a_1_2·b_1_3·b_3_14 + c_2_7·a_1_1·a_1_2·b_1_34 + c_2_7·c_4_27·b_1_02
       + c_2_72·b_1_3·b_3_15 + c_2_72·b_1_3·b_3_14 + c_2_72·b_1_34 + c_2_72·b_1_0·b_3_13
       + c_2_72·b_1_0·b_3_12 + c_2_7·c_4_26·a_1_1·b_1_3 + c_2_72·a_1_2·b_3_15
       + c_2_72·a_1_1·b_3_14 + c_2_72·a_1_1·b_3_12 + c_2_72·a_1_1·b_1_33
       + c_2_7·c_4_27·a_1_12 + c_2_7·c_4_26·a_1_1·a_1_2 + c_2_7·c_4_26·a_1_12
       + c_2_72·a_1_1·a_3_10 + c_2_73·b_1_02 + c_2_73·a_1_2·b_1_3 + c_2_73·a_1_1·b_1_0
       + c_2_73·a_1_1·a_1_2 + c_2_73·a_1_12
  52. b_3_15·b_5_43 + b_3_14·b_5_43 + a_3_11·b_5_43 + a_1_2·b_1_34·b_3_15
       + a_1_2·b_1_34·b_3_14 + a_1_1·b_1_32·b_5_44 + a_1_1·b_1_34·b_3_15
       + a_1_1·b_1_02·b_5_43 + a_1_1·b_1_04·b_3_12 + a_1_1·a_1_2·b_1_33·b_3_15
       + a_1_1·a_1_2·b_1_33·b_3_14 + c_4_27·b_1_0·b_3_12 + c_4_26·b_1_3·b_3_15
       + c_4_26·b_1_3·b_3_14 + c_2_7·b_1_33·b_3_15 + c_2_7·b_1_33·b_3_14 + c_2_7·b_1_36
       + c_4_27·a_1_2·b_3_15 + c_4_27·a_1_2·b_3_14 + c_4_27·a_1_1·b_3_15 + c_4_27·a_1_1·b_3_14
       + c_4_26·a_1_1·b_3_15 + c_4_26·a_1_1·b_3_13 + c_4_26·a_1_1·b_1_33
       + c_4_26·a_1_1·b_1_03 + c_2_7·a_1_2·b_1_32·b_3_15 + c_2_7·a_1_1·b_5_44
       + c_2_7·a_1_1·b_1_32·b_3_15 + c_2_7·a_1_1·b_1_32·b_3_14 + c_2_7·a_1_1·b_1_35
       + c_2_7·a_1_1·b_1_05 + c_4_27·a_1_1·a_3_10 + c_4_27·a_1_1·a_3_11
       + c_4_27·a_1_1·a_1_2·b_1_32 + c_2_7·a_1_1·a_1_2·b_1_3·b_3_15
       + c_2_7·a_1_1·a_1_2·b_1_3·b_3_14 + c_2_7·a_1_1·a_1_2·b_1_34 + c_2_7·c_4_27·b_1_02
       + c_2_72·b_1_3·b_3_15 + c_2_72·b_1_3·b_3_14 + c_2_72·b_1_34 + c_2_72·b_1_0·b_3_13
       + c_2_72·b_1_0·b_3_12 + c_2_7·c_4_26·a_1_2·b_1_3 + c_2_7·c_4_26·a_1_1·b_1_3
       + c_2_72·a_1_2·b_3_14 + c_2_72·a_1_2·b_1_33 + c_2_72·a_1_1·b_3_14
       + c_2_72·a_1_1·b_3_12 + c_2_72·a_1_1·b_1_33 + c_2_7·c_4_27·a_1_12
       + c_2_72·a_1_1·a_3_10 + c_2_72·a_1_1·a_3_11 + c_2_73·b_1_02 + c_2_73·a_1_1·b_1_0
       + c_2_73·a_1_12
  53. b_3_13·b_5_44 + b_1_03·b_5_43 + a_1_1·b_1_32·b_5_44 + a_1_1·b_1_34·b_3_15
       + a_1_1·b_1_02·b_5_43 + a_1_1·b_1_04·b_3_12 + a_1_1·a_1_2·b_1_33·b_3_15
       + a_1_1·a_1_2·b_1_33·b_3_14 + c_4_27·b_1_0·b_3_13 + c_2_7·b_1_3·b_5_44
       + c_2_7·b_1_03·b_3_13 + c_4_27·a_1_1·b_1_03 + c_4_26·a_1_1·b_3_15
       + c_2_7·a_1_1·b_5_43 + c_2_7·a_1_1·b_1_32·b_3_15 + c_4_26·a_1_1·a_3_10
       + c_2_7·a_1_1·a_1_2·b_1_3·b_3_15 + c_2_7·a_1_1·a_1_2·b_1_34 + c_2_7·c_4_27·b_1_02
       + c_2_72·b_1_0·b_3_13 + c_2_72·b_1_04 + c_2_7·c_4_27·a_1_1·b_1_0
       + c_2_72·a_1_1·b_3_15 + c_2_72·a_1_1·b_1_33 + c_2_72·a_1_1·b_1_03
       + c_2_7·c_4_27·a_1_1·a_1_2 + c_2_72·a_1_1·a_3_11 + c_2_73·b_1_02
       + c_2_73·a_1_1·a_1_2 + c_2_73·a_1_12
  54. b_3_15·b_5_43 + b_3_14·b_5_43 + b_3_13·b_5_43 + a_3_11·b_5_43 + a_1_2·b_1_34·b_3_15
       + a_1_2·b_1_34·b_3_14 + a_1_1·a_1_2·b_1_33·b_3_14 + c_4_26·b_1_3·b_3_15
       + c_4_26·b_1_3·b_3_14 + c_2_7·b_1_36 + c_4_27·a_1_2·b_3_15 + c_4_27·a_1_2·b_3_14
       + c_4_27·a_1_1·b_3_15 + c_4_27·a_1_1·b_3_14 + c_4_27·a_1_1·b_3_13 + c_4_26·a_1_1·b_3_15
       + c_4_26·a_1_1·b_3_14 + c_4_26·a_1_1·b_3_13 + c_2_7·a_1_2·b_5_44
       + c_2_7·a_1_1·b_1_32·b_3_14 + c_2_7·a_1_1·b_1_35 + c_4_27·a_1_1·a_3_11
       + c_4_27·a_1_1·a_1_2·b_1_32 + c_4_26·a_1_1·a_3_10 + c_4_26·a_1_1·a_3_11
       + c_4_26·a_1_1·a_1_2·b_1_32 + c_2_7·a_1_1·a_1_2·b_1_3·b_3_15
       + c_2_7·c_4_26·b_1_32 + c_2_72·b_1_3·b_3_15 + c_2_72·b_1_3·b_3_14
       + c_2_7·c_4_27·a_1_2·b_1_3 + c_2_7·c_4_26·a_1_2·b_1_3 + c_2_72·a_1_2·b_3_15
       + c_2_72·a_1_2·b_3_14 + c_2_72·a_1_1·b_3_13 + c_2_72·a_1_1·b_3_12
       + c_2_7·c_4_26·a_1_1·a_1_2 + c_2_7·c_4_26·a_1_12 + c_2_73·b_1_32
       + c_2_73·a_1_1·b_1_3 + c_2_73·a_1_1·b_1_0 + c_2_73·a_1_1·a_1_2 + c_2_73·a_1_12
  55. b_5_432 + a_1_2·b_1_36·b_3_15 + a_1_2·b_1_36·b_3_14 + a_1_1·a_1_2·b_1_35·b_3_14
       + c_2_7·b_1_38 + c_4_27·a_1_1·b_1_02·b_3_12 + c_4_27·a_1_1·b_1_05
       + c_4_26·a_1_1·b_1_02·b_3_12 + c_4_26·a_1_1·b_1_05 + c_2_7·a_1_2·b_1_37
       + c_4_27·a_1_1·a_1_2·b_1_34 + c_4_26·a_1_1·a_1_2·b_1_34
       + c_2_7·a_1_1·a_1_2·b_1_36 + c_4_26·c_4_27·b_1_02 + c_4_262·b_1_32
       + c_2_72·a_1_1·b_1_02·b_3_12 + c_2_72·a_1_1·b_1_05 + c_4_272·a_1_1·a_1_2
       + c_4_262·a_1_1·a_1_2 + c_4_262·a_1_12 + c_2_7·c_4_26·a_1_1·a_1_2·b_1_32
       + c_2_72·a_1_1·a_1_2·b_1_34 + c_2_72·c_4_26·b_1_02 + c_2_72·c_4_26·a_1_1·a_1_2
       + c_2_72·c_4_26·a_1_12 + c_2_74·b_1_32 + c_2_74·b_1_02 + c_2_74·a_1_1·a_1_2
  56. b_5_442 + a_1_2·b_1_36·b_3_15 + a_1_1·b_1_36·b_3_15 + a_1_1·b_1_36·b_3_14
       + a_1_1·b_1_06·b_3_12 + a_1_1·b_1_09 + a_1_1·a_1_2·b_1_33·b_5_44
       + a_1_1·a_1_2·b_1_35·b_3_15 + c_4_26·b_1_36 + c_4_26·b_1_06 + c_2_7·b_1_38
       + c_4_26·a_1_2·b_1_32·b_3_15 + c_4_26·a_1_2·b_1_32·b_3_14
       + c_2_7·a_1_2·b_1_34·b_3_14 + c_2_7·a_1_2·b_1_37 + c_2_7·a_1_1·b_1_34·b_3_15
       + c_2_7·a_1_1·b_1_34·b_3_14 + c_2_7·a_1_1·b_1_37 + c_4_27·a_1_1·a_1_2·b_1_34
       + c_4_26·a_1_1·a_1_2·b_1_3·b_3_14 + c_4_26·a_1_1·a_1_2·b_1_34
       + c_2_7·a_1_1·a_1_2·b_1_33·b_3_14 + c_2_7·a_1_1·a_1_2·b_1_36 + c_4_272·b_1_02
       + c_4_262·b_1_32 + c_2_7·c_4_26·b_1_34 + c_2_72·b_1_06
       + c_2_7·c_4_26·a_1_2·b_1_33 + c_2_72·a_1_2·b_1_32·b_3_15
       + c_2_72·a_1_2·b_1_32·b_3_14 + c_2_72·a_1_1·b_1_35
       + c_2_72·a_1_1·b_1_02·b_3_12 + c_2_72·a_1_1·b_1_05 + c_4_26·c_4_27·a_1_1·a_1_2
       + c_4_26·c_4_27·a_1_12 + c_2_7·c_4_26·a_1_1·a_1_2·b_1_32
       + c_2_72·a_1_1·a_1_2·b_1_3·b_3_14 + c_2_72·c_4_27·b_1_02 + c_2_73·b_1_34
       + c_2_73·a_1_2·b_1_33 + c_2_72·c_4_27·a_1_1·a_1_2 + c_2_72·c_4_27·a_1_12
       + c_2_74·b_1_32 + c_2_74·a_1_12
  57. b_5_442 + b_5_43·b_5_44 + b_1_35·b_5_44 + b_1_37·b_3_15 + a_1_2·b_1_36·b_3_15
       + a_1_2·b_1_36·b_3_14 + a_1_1·b_1_36·b_3_15 + a_1_1·b_1_36·b_3_14
       + a_1_1·b_1_04·b_5_43 + a_1_1·b_1_06·b_3_13 + a_1_1·b_1_06·b_3_12 + a_1_1·b_1_09
       + a_1_1·a_1_2·b_1_35·b_3_15 + a_1_1·a_1_2·b_1_35·b_3_14 + c_4_27·b_1_0·b_5_43
       + c_4_26·b_1_3·b_5_44 + c_4_26·b_1_33·b_3_15 + c_4_26·b_1_33·b_3_14
       + c_4_26·b_1_03·b_3_13 + c_4_26·b_1_06 + c_2_7·b_1_35·b_3_15 + c_2_7·b_1_03·b_5_43
       + c_4_27·a_1_2·b_5_44 + c_4_27·a_1_1·b_5_44 + c_4_26·a_1_2·b_1_32·b_3_14
       + c_4_26·a_1_2·b_1_35 + c_4_26·a_1_1·b_5_44 + c_4_26·a_1_1·b_5_43
       + c_4_26·a_1_1·b_1_32·b_3_14 + c_4_26·a_1_1·b_1_35 + c_4_26·a_1_1·b_1_02·b_3_13
       + c_4_26·a_1_1·b_1_05 + c_2_7·a_1_2·b_1_32·b_5_44 + c_2_7·a_1_2·b_1_34·b_3_15
       + c_2_7·a_1_1·b_1_02·b_5_43 + c_2_7·a_1_1·b_1_04·b_3_13
       + c_2_7·a_1_1·b_1_04·b_3_12 + c_4_27·a_1_1·a_1_2·b_1_3·b_3_15
       + c_4_27·a_1_1·a_1_2·b_1_34 + c_4_26·a_1_1·a_1_2·b_1_3·b_3_15
       + c_4_26·a_1_1·a_1_2·b_1_3·b_3_14 + c_2_7·a_1_1·a_1_2·b_1_3·b_5_44
       + c_2_7·a_1_1·a_1_2·b_1_33·b_3_15 + c_2_7·a_1_1·a_1_2·b_1_33·b_3_14
       + c_4_272·b_1_02 + c_4_262·b_1_32 + c_2_7·c_4_27·b_1_0·b_3_12
       + c_2_72·b_1_3·b_5_44 + c_2_72·b_1_33·b_3_15 + c_2_72·b_1_33·b_3_14
       + c_2_72·b_1_0·b_5_43 + c_2_72·b_1_03·b_3_12 + c_2_72·b_1_06
       + c_4_272·a_1_1·b_1_0 + c_4_262·a_1_2·b_1_3 + c_2_7·c_4_27·a_1_1·b_1_03
       + c_2_7·c_4_26·a_1_2·b_3_14 + c_2_7·c_4_26·a_1_2·b_1_33 + c_2_7·c_4_26·a_1_1·b_3_13
       + c_2_7·c_4_26·a_1_1·b_1_03 + c_2_72·a_1_2·b_5_44 + c_2_72·a_1_2·b_1_32·b_3_15
       + c_2_72·a_1_1·b_1_32·b_3_14 + c_2_72·a_1_1·b_1_05 + c_4_26·c_4_27·a_1_12
       + c_4_262·a_1_1·a_1_2 + c_2_7·c_4_27·a_1_1·a_1_2·b_1_32
       + c_2_72·a_1_1·a_1_2·b_1_3·b_3_15 + c_2_73·b_1_0·b_3_13 + c_2_73·b_1_0·b_3_12
       + c_2_73·b_1_04 + c_2_72·c_4_27·a_1_1·b_1_0 + c_2_73·a_1_2·b_3_14
       + c_2_73·a_1_1·b_3_13 + c_2_73·a_1_1·b_3_12 + c_2_72·c_4_27·a_1_1·a_1_2
       + c_2_72·c_4_26·a_1_12 + c_2_73·a_1_1·a_3_10 + c_2_74·b_1_32 + c_2_74·b_1_02
       + c_2_74·a_1_2·b_1_3 + c_2_74·a_1_1·b_1_0 + c_2_74·a_1_1·a_1_2


About the group Ring generators Ring relations Completion information Restriction maps Back to groups of order 128

Data used for Benson′s test

  • Benson′s completion test succeeded in degree 10.
  • The completion test was perfect: It applied in the last degree in which a generator or relation was found.
  • The following is a filter regular homogeneous system of parameters:
    1. c_2_7, a Duflot regular element of degree 2
    2. c_4_26, a Duflot regular element of degree 4
    3. c_4_27, a Duflot regular element of degree 4
    4. b_1_32 + b_1_02, an element of degree 2
  • The Raw Filter Degree Type of that HSOP is [-1, -1, -1, 5, 8].
  • The filter degree type of any filter regular HSOP is [-1, -2, -3, -4, -4].


About the group Ring generators Ring relations Completion information Restriction maps Back to groups of order 128

Restriction maps

Restriction map to the greatest central el. ab. subgp., which is of rank 3

  1. a_1_10, an element of degree 1
  2. a_1_20, an element of degree 1
  3. b_1_00, an element of degree 1
  4. b_1_30, an element of degree 1
  5. c_2_7c_1_12, an element of degree 2
  6. a_3_110, an element of degree 3
  7. a_3_100, an element of degree 3
  8. b_3_120, an element of degree 3
  9. b_3_130, an element of degree 3
  10. b_3_140, an element of degree 3
  11. b_3_150, an element of degree 3
  12. c_4_26c_1_24 + c_1_14, an element of degree 4
  13. c_4_27c_1_24 + c_1_14 + c_1_04, an element of degree 4
  14. b_5_430, an element of degree 5
  15. b_5_440, an element of degree 5

Restriction map to a maximal el. ab. subgp. of rank 4

  1. a_1_10, an element of degree 1
  2. a_1_20, an element of degree 1
  3. b_1_0c_1_3, an element of degree 1
  4. b_1_30, an element of degree 1
  5. c_2_7c_1_1·c_1_3 + c_1_12, an element of degree 2
  6. a_3_110, an element of degree 3
  7. a_3_100, an element of degree 3
  8. b_3_12c_1_22·c_1_3, an element of degree 3
  9. b_3_13c_1_2·c_1_32 + c_1_22·c_1_3 + c_1_0·c_1_32 + c_1_02·c_1_3, an element of degree 3
  10. b_3_140, an element of degree 3
  11. b_3_15c_1_2·c_1_32 + c_1_22·c_1_3 + c_1_0·c_1_32 + c_1_02·c_1_3, an element of degree 3
  12. c_4_26c_1_24 + c_1_12·c_1_32 + c_1_14, an element of degree 4
  13. c_4_27c_1_22·c_1_32 + c_1_24 + c_1_12·c_1_32 + c_1_14 + c_1_02·c_1_32 + c_1_04, an element of degree 4
  14. b_5_43c_1_23·c_1_32 + c_1_24·c_1_3 + c_1_1·c_1_2·c_1_33 + c_1_1·c_1_22·c_1_32
       + c_1_12·c_1_33 + c_1_12·c_1_2·c_1_32 + c_1_12·c_1_22·c_1_3 + c_1_14·c_1_3
       + c_1_0·c_1_22·c_1_32 + c_1_0·c_1_1·c_1_33 + c_1_0·c_1_12·c_1_32
       + c_1_02·c_1_22·c_1_3 + c_1_02·c_1_1·c_1_32 + c_1_02·c_1_12·c_1_3, an element of degree 5
  15. b_5_44c_1_24·c_1_3 + c_1_1·c_1_2·c_1_33 + c_1_1·c_1_22·c_1_32 + c_1_12·c_1_2·c_1_32
       + c_1_12·c_1_22·c_1_3 + c_1_0·c_1_1·c_1_33 + c_1_0·c_1_12·c_1_32
       + c_1_02·c_1_33 + c_1_02·c_1_1·c_1_32 + c_1_02·c_1_12·c_1_3 + c_1_04·c_1_3, an element of degree 5

Restriction map to a maximal el. ab. subgp. of rank 4

  1. a_1_10, an element of degree 1
  2. a_1_20, an element of degree 1
  3. b_1_00, an element of degree 1
  4. b_1_3c_1_3, an element of degree 1
  5. c_2_7c_1_12, an element of degree 2
  6. a_3_110, an element of degree 3
  7. a_3_100, an element of degree 3
  8. b_3_120, an element of degree 3
  9. b_3_13c_1_12·c_1_3, an element of degree 3
  10. b_3_14c_1_22·c_1_3, an element of degree 3
  11. b_3_15c_1_22·c_1_3 + c_1_1·c_1_32 + c_1_12·c_1_3, an element of degree 3
  12. c_4_26c_1_24 + c_1_14, an element of degree 4
  13. c_4_27c_1_24 + c_1_14 + c_1_02·c_1_32 + c_1_04, an element of degree 4
  14. b_5_43c_1_24·c_1_3 + c_1_1·c_1_34, an element of degree 5
  15. b_5_44c_1_22·c_1_33 + c_1_24·c_1_3 + c_1_1·c_1_34 + c_1_1·c_1_22·c_1_32
       + c_1_12·c_1_33, an element of degree 5


About the group Ring generators Ring relations Completion information Restriction maps Back to groups of order 128




Simon A. King David J. Green
Fakultät für Mathematik und Informatik Fakultät für Mathematik und Informatik
Friedrich-Schiller-Universität Jena Friedrich-Schiller-Universität Jena
Ernst-Abbe-Platz 2 Ernst-Abbe-Platz 2
D-07743 Jena D-07743 Jena
Germany Germany

E-mail: simon dot king at uni hyphen jena dot de
Tel: +49 (0)3641 9-46184
Fax: +49 (0)3641 9-46162
Office: Zi. 3524, Ernst-Abbe-Platz 2
E-mail: david dot green at uni hyphen jena dot de
Tel: +49 3641 9-46166
Fax: +49 3641 9-46162
Office: Zi 3512, Ernst-Abbe-Platz 2



Last change: 25.08.2009