[[Abelian group]]
# Free abelian group

A **free abelian group** is another name for a [[free module|free $\mathbb Z$-module]]. #m/def/group

## Properties

- [[Subgroup of a free abelian group]]
- [[Cyclic central extension of a free abelian group]]
    - [[2 central extension of a free abelian group]]

#
---
#state/develop | #lang/en | #SemBr