x_T := RationalFunctionField(FiniteField(9));; x_TR := PolynomialAlgebra(FiniteField(9));; x_TX := PolynomialAlgebra(x_T);; x_F := FunctionField(x_TX.1^2 - x_T.1^3 - x_T.1);; x_O := EquationOrderFinite(x_F);; x_M := Matrix(x_TR,2,2,[1,1,0,2]); Order(x_O,x_M,Coerce(x_TR,2));