/* www-ATLAS of Group Representations. U3(4) represented as 12 x 12 matrices over GF(3). */ F:=GF(3); x:=CambridgeMatrix(1,F,12,[ "010000000000", "100000000000", "000100000000", "001000000000", "000001000000", "000010000000", "001122200000", "000000001000", "000000010000", "112211000200", "002211000020", "001111022002"]); y:=CambridgeMatrix(1,F,12,[ "001000000000", "022000000000", "121000000000", "000010000000", "000000100000", "000000010000", "000100000000", "000000000100", "000000000010", "000001000000", "000000000001", "000000001000"]); G:=MatrixGroup<12,F|x,y>; print "Group G is U3(4) < GL(12,GF(3))";