Order (Ring Theory)

	Main Article	Discussion	Related Articles  [?]	Bibliography  [?]	External Links  [?]	Citable Version  [?]
	This editable Main Article is under development and subject to a disclaimer. [edit intro]

In ring theory, an order is a ring which is finitely generated as a Z-module.

Any subring of an algebraic number field composed of algebraic integers forms an order: the ring of all algebraic integers in such a field is the maximal order.