/* www-ATLAS of Group Representations. L2(17) represented as 15 x 15 matrices over GF(17). */ F:=GF(17); x:=CambridgeMatrix(3,F,15,\[ 0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,1,0,0,0,0,0,0,0,0,0,0,0, 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, 0,0,0,0,1,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,1,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,1,0,0,0,0,0, 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,1, 0,0,16,16,2,2,12,0,12,0,7,8,16,7,8, 0,0,0,0,0,0,0,0,0,0,1,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,1,0,0,0]); y:=CambridgeMatrix(3,F,15,\[ 3,12,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0, 12,8,14,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,1,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0, 0,0,0,1,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,1,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,1,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,1,0,0, 0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, 0,14,1,15,10,8,2,10,12,8,14,5,2,1,5, 10,7,3,9,0,16,0,7,11,6,8,7,15,16,3, 4,6,6,6,8,9,14,1,2,1,9,3,14,13,15, 3,11,8,7,16,15,0,16,14,3,13,13,8,7,1]); G:=MatrixGroup<15,F|x,y>; print "Group G is L2(17) < GL(15,GF(17))";