# Legendre symbol

> multiplicative function with values 1, −1, 0

**Wikidata**: [Q748339](https://www.wikidata.org/wiki/Q748339)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Legendre_symbol)  
**Source**: https://4ort.xyz/entity/legendre-symbol


## References

1. Freebase Data Dumps. 2013
2. Quora
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)