/*
www-ATLAS of Group Representations.
L2(19):2 represented as permutations on 20 points.
*/

G<x,y>:=PermutationGroup<20|\[
1,4,5,2,3,10,11,12,13,6,7,8,9,17,18,16,14,15,20,19]
,\[
2,3,1,6,8,7,4,9,5,10,12,14,15,11,16,13,19,17,18,20]
>;
print "Group G is L2(19):2 < Sym(20)";