/* www-ATLAS of Group Representations. A18 represented as permutations on 18 points. */ G:=PermutationGroup<18|\[ 2,3,1,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18] ,\[ 1,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,2] >; print "Group G is A18 < Sym(18)";