G:= PermutationGroup<23 | \[ 2, 1, 4, 3, 5, 6, 8, 7, 10, 9, 11, 12, 14, 13, 16, 15, 17, 18, 20, 19, 22, 21, 23 ], \[ 16, 9, 1, 5, 8, 22, 7, 23, 21, 10, 3, 2, 20, 18, 17, 11, 15, 6, 19, 13, 12, 14, 4 ]>; size:= 10200960; name:= "M23"; compfactor:= < 18, 4, 0 >; M:= 1; A:= 1;