🌐EnglishEnglishBahasa IndonesiaEspañolFrançaisNederlandsPortuguêsTürkçe中文日本語EntityQ384142· pop 5· linked from 14 articlesHerbrand–Ribet theoremtheoremConnectionsideal class groupEntitymathematicsEntityCategoriesCyclotomic fieldsTheorems in algebraic number theory