# Modular lambda function

> a highly symmetric holomorphic function on the complex upper half-plane

**Wikidata**: [Q6889722](https://www.wikidata.org/wiki/Q6889722)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Modular_lambda_function)  
**Source**: https://4ort.xyz/entity/modular-lambda-function