🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsРусскийالعربيةفارسی한국어中文日本語EntityQ7874246· pop 17· linked from 665 articlesCoxeter groupabstract group that admits a formal description in terms of reflections (or kaleidoscopic mirrors)Available in 17 languagesEspañolFrançaisDeutsch中文日本語РусскийItalianoGreekHebrewNederlandsPolskiConnectionsconnected component of a graphEntitycross-polytopeEntityCategoriesCoxeter groupsReflection groups