/* www-ATLAS of Group Representations. U4(2) represented as 5 x 5 matrices over GF(3). */ F:=GF(3); x:=CambridgeMatrix(1,F,5,[ "01000", "10000", "00200", "22020", "00002"]); y:=CambridgeMatrix(1,F,5,[ "00100", "02200", "00010", "00001", "12121"]); G:=MatrixGroup<5,F|x,y>; print "Group G is U4(2) < GL(5,GF(3))";