/* www-ATLAS of Group Representations. A7 represented as 6 x 6 matrices over GF(3). */ F:=GF(3); x:=CambridgeMatrix(1,F,6,[ "010000", "000100", "011200", "100000", "110110", "100201"]); y:=CambridgeMatrix(1,F,6,[ "001000", "211000", "000010", "000001", "021122", "100021"]); G:=MatrixGroup<6,F|x,y>; print "Group G is A7 < GL(6,GF(3))";