/* www-ATLAS of Group Representations. L2(7):2 represented as permutations on 28 points. */ G:=PermutationGroup<28|\[ 1,4,5,2,3,9,10,11,6,7,8,16,17,18,19,12,13,14,15,25,21,26,23,27,20, 22,24,28] ,\[ 2,3,1,6,8,7,4,9,5,12,14,13,10,15,11,20,18,22,23,21,16,17,24,19,28, 26,25,27] >; print "Group G is L2(7):2 < Sym(28)";