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

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