G:= PermutationGroup<7 | \[ 2, 1, 3, 4, 5, 6, 7 ], \[ 1, 3, 4, 5, 6, 7, 2 ]>; size:= 5040; name:= "A7.2"; compfactor:= < 17, 7, 0 >; M:= 1; A:= 2;