| − | The '''general linear group''' over a field <math>X \ </math>, written <math>\mathbb{GL}(X,n) \ </math> is the set of all invertible <math>n \times n \ </math> matrices with elements from the field <math>X \ </math>, under the operation of matrix multiplication. | + | The '''general linear group''' over a [[field (mathematics)|field]] <math>X</math>, written <math>\mathbb{GL}(X,n)</math> is the set of all invertible <math>n \times n</math> [[matrix|matrices]] with elements from the field <math>X</math>, under the operation of matrix multiplication. |