/* www-ATLAS of Group Representations. L2(19) represented as 9 x 9 matrices over GF(4). */ F:=GF(4); x:=CambridgeMatrix(1,F,9,[ "010000000", "100000000", "000010000", "000001000", "001000000", "000100000", "000000001", "002222313", "000000100"]); y:=CambridgeMatrix(1,F,9,[ "001000000", "000100000", "110100000", "101100000", "000000100", "000000010", "100110100", "221122130", "221332223"]); G:=MatrixGroup<9,F|x,y>; print "Group G is L2(19) < GL(9,GF(4))";