# Legendre symbol

This English edition is an AI candidate and does not yet have an OCME Atlas (GPT-6) Twin closure receipt.

[Catalogue presentation and source-binding data](https://ocme.evemisslab.com/data/i18n/catalogue.en.json)



## [Legendre symbol](https://ocme.evemisslab.com/en/atlas/atlas-legendre-symbol/)

For odd prime p, the Legendre symbol uses0,1,−1 for the zero class, nonzero quadratic residues and nonresidues respectively.

atlas-legendre-symbol · canonical_mko

[Legendre symbol](https://ocme.evemisslab.com/en/mko/mko-legendre-symbol/)

## Prerequisite nodes


- [Quadratic residue](https://ocme.evemisslab.com/en/atlas/atlas-quadratic-residue/)
- [Function mapping](https://ocme.evemisslab.com/en/atlas/atlas-function-mapping/)