# Grunwald–Wang theorem

> local-global result for when an element in a number field is an nth power

**Wikidata**: [Q5612159](https://www.wikidata.org/wiki/Q5612159)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Grunwald–Wang_theorem)  
**Source**: https://4ort.xyz/entity/grunwald-wang-theorem