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