S4 x D8
r0 := (1,2)(3,5)(4,6)(7,9);
r1 := (1,2)(4,8)(6,10)(7,11)(9,12);
r2 := (1,3)(2,5)(4,7)(6,9)(8,12)(10,11);
r3 := (1,4)(2,6)(3,7)(5,9);
F := FreeGroup(4);
r0 := F.1;; r1 := F.2;; r2 := F.3;; r3 := F.4;;
G := F/[ r3^2, r1^2, r2^2, r0^2, (r2*r3)^2, (r2*r0)^2, (r0*r3)^2, (r0*r2*r1)^4, r1*r0*(r2*r1)^2*r3*r0*r2*r3*r1*r2, (r0*(r1*r3)^2*r1)^2, (r1*r3)^6, r2*r1*r0*r2*(r3*r1)^2*r2*r1*r2*r0*(r3*r1)^2*r0, (r3*r2*r1*r3*r2*r0*r1*r3*r1)^2 ];;
type 0: 4 elements
type 1: 24 elements
type 2: 4 elements
type 3: 6 elements