🌐EnglishEnglishDeutschItalianoNederlandsPortuguêsРусскийفارسی한국어中文日本語EntityQ205124· pop 10· linked from 73 articlesFuchsian groupdiscrete subgroup of the real projective special linear group of dimension 2Available in 10 languagesDeutschРусскийPortuguêsItalianoGreekNederlandsUkrainianفارسی한국어via Wikidata sitelinks · CC0Connectionsgroup actionEntityMöbius transformationEntityCategoriesDiscrete groupsFractalsHyperbolic geometryKleinian groupsRiemann surfaces