N:=PermutationGroup<23|(2, 15)(4, 18)(5, 12)(7, 11)(9, 20)(14, 21)(16, 19)(17, 22), (2, 10, 15, 5)(6, 22, 18, 9)(7, 20, 17, 11)(8, 12)(13, 23, 21, 19)(14, 16), (1, 3)(2, 15)(5, 21)(7, 9)(10, 13)(11, 20)(12, 14)(17, 22)>;



print("the normalizer of the Sylow 3-subgroup P of M23 in M23");