🌐EnglishEnglishDeutschEspañolFrançaisItalianoPortuguêsРусский한국어中文日本語EntityQ7249476· pop 7· linked from 64 articlesprojective representationhomomorphism G → PGL(V) from a group G to a projective linear group PGL(V) over a vector space VAvailable in 7 languagesFrançaisDeutsch中文РусскийPunjabi한국어via Wikidata sitelinks · CC0Connectionsgroup extensionEntitydiagonal matrixEntityCategoriesGroup theoryHomological algebraRepresentation theoryRepresentation theory of groups