p0:= PermList([1, 2, 3, 4]);
p1:= PermList([2, 1, 4, 3]);
p2:= PermList([2, 1, 4, 3]);
p3:= PermList([3, 4, 1, 2]);
p4:= PermList([2, 1, 4, 3]);
p5:= PermList([1, 2, 3, 4]);
H:=Group(p0,p1,p2,p3,p4,p5);