🌐EnglishEnglishDeutschEspañolFrançaisPortuguêsSvenskaРусскийالعربية한국어日本語EntityQ3535240· pop 10· linked from 30 articlestau-functionAlso known as Ramanujan tau functiongiving the Fourier coefficients of the Ramanujan modular formAvailable in 10 languagesEspañolFrançaisDeutsch日本語PortuguêsالعربيةSvenskaTamil한국어via Wikidata sitelinks · CC0ConnectionszbMATH OpenEntityInternational Standard Book NumberEntityCategoriesModular formsMultiplicative functionsSrinivasa RamanujanZeta and L-functions