/* www-ATLAS of Group Representations. L2(13).2 represented as permutations on 78 points. */ G:=PermutationGroup<78|\[ 1,3,2,5,4,8,10,6,13,7,15,17,9,20,11,23,12,25,27,14,21,22,16,33,18, 36,19,38,40,42,43,45,24,48,49,26,51,28,53,29,54,30,31,58,32,60,62,34,35,50, 37,63,39,41,68,69,70,44,59,46,65,47,52,72,61,74,76,55,56,57,71,64,78,66,75, 67,77,73] ,\[ 2,1,4,6,7,9,11,12,3,14,16,18,19,21,22,5,24,26,28,29,30,31,32,34,35, 8,37,39,41,10,44,46,47,36,50,17,49,52,13,33,55,56,57,15,59,61,63,54,64,60, 65,66,67,58,20,42,71,62,70,25,23,48,40,27,73,75,77,53,51,74,72,43,69,45,38, 78,68,76] >; print "Group G is L2(13).2 < Sym(78)";