# j-invariant

> modular function of weight zero defined on the upper half-plane of complex numbers

**Wikidata**: [Q287419](https://www.wikidata.org/wiki/Q287419)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/J-invariant)  
**Source**: https://4ort.xyz/entity/j-invariant


## References

1. Freebase Data Dumps. 2013