🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtРусскийالعربيةفارسی한국어中文日本語EntityQ558339· pop 29· linked from 510 articlesdihedral groupgroup of symmetries of a regular polygonAvailable in 28 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBahasa IndonesiaCatalanConnectionsSylow theoremsEntitycommutative propertyEntityCategoriesEuclidean symmetriesFinite reflection groupsProperties of groups