# Order (mathematics)

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*This disambiguation page lists articles associated with the same or a similar title.*

- Order of a finite set or algebraic structure [r]: The size, i.e., the number of elements, of a (possibly infinite) set.
^{[e]} - Order (group theory) [r]: For a group, its cardinality; for an element of a group, the least positive integer (if one exists) such that raising the element to that power gives the identity.
^{[e]} - Order (relation) [r]: An irreflexive antisymmetric transitive binary relation on a set.
^{[e]} - Order (ring theory) [r]: A ring which is finitely generated as a
**Z**-module.^{[e]}

*See also Order (disambiguation) for uses beyond mathematics.*