🌐EnglishEnglishDeutschEspañolFrançaisItalianoPortuguêsРусскийفارسی한국어中文日本語EntityQ1052516· pop 11· linked from 147 articlesinvolutory matrixsquare matrix that is its own inverseWikidata factsSubclass ofinvertible matrixShow 1 more factP6104WikiProject Mathematicsvia Wikidata · CC0Connectionsinvertible matrixEntityblock matrixEntityCategoriesMatrices (mathematics)