Home›Browse›center🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtРусскийفارسی한국어中文日本語EntityQ1195852· pop 22· linked from 142 articlescenterSign in to saveAlso known as group center, centre, group centrethe set of elements that commute with every element of a groupAvailable in 22 languagesEspañolFrançais中文日本語РусскийPortuguêsItalianoCatalanCzechFilipinoGalicianHebrewMalayalamNederlandsRomaniansimpleSvenskaTiếng ViệtShow 3 moreUkrainianفارسی한국어via Wikidata sitelinks · CC0