/*
www-ATLAS of Group Representations.
M20 represented as permutations on 20 points.
*/

G<x,y>:=PermutationGroup<20|\[
2,4,1,3,7,11,5,12,13,14,8,6,10,9,17,18,20,16,15,19]
,\[
1,5,7,9,6,2,8,3,10,4,15,11,16,18,12,17,13,19,14,20]
>;
print "Group G is M20 < Sym(20)";