/* www-ATLAS of Group Representations. S7 represented as 13 x 13 matrices over GF(5). */ F:=GF(5); x:=CambridgeMatrix(1,F,13,[ "0100000000000", "1000000000000", "0001000000000", "0010000000000", "0000001000000", "0000000010000", "0000100000000", "1414134120000", "0000010000000", "0000000000001", "3232342014101", "2323203001014", "0000000001000"]); y:=CambridgeMatrix(1,F,13,[ "0010000000000", "0440000000000", "0000100000000", "0000010000000", "0000000100000", "0000000001000", "0000000000100", "0000000000010", "0101433434440", "4211401342203", "3143302314011", "1040100400010", "0104144442034"]); G:=MatrixGroup<13,F|x,y>; print "Group G is S7 < GL(13,GF(5))";