---
tag: 05WDSN597C
kind: concept
name: Submodule
msc: [16D10]
sources:
  - url: https://en.wikipedia.org/wiki/Module_(mathematics)
    locator: Submodules and homomorphisms
---

## Summary

A submodule of a module is a subset that is a subgroup under addition and that is closed under multiplication by the ring elements.