🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTiếng ViệtTürkçeРусскийالعربية한국어中文日本語EntityQ899720· pop 18· linked from 161 articlespoint groupgroup of geometric symmetries (isometries) that keep at least one point fixedAvailable in 17 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsالعربيةBahasa IndonesiaCatalanHebrewConnectionsCoxeter groupEntityCoxeter–Dynkin diagramEntityCategoriesCrystallographyEuclidean symmetriesGroup theoryMolecular geometry