/* www-ATLAS of Group Representations. O7(3) represented as 7 x 7 matrices over GF(3). */ F:=GF(3); x:=CambridgeMatrix(1,F,7,[ "0100000", "1000000", "2220000", "2202000", "1100200", "1100020", "1100002"]); y:=CambridgeMatrix(1,F,7,[ "0010000", "0001000", "0000100", "0222000", "0000010", "0000001", "1211201"]); G:=MatrixGroup<7,F|x,y>; print "Group G is O7(3) < GL(7,GF(3))";