🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisNederlandsPortuguêsРусскийفارسی한국어中文日本語EntityQ912083· pop 13· linked from 129 articlesideal class groupAlso known as class groupmathematical set in algebraic number theoryAvailable in 13 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsBahasa IndonesiaNederlandsUkrainianConnectionsidealEntityalgebraic number fieldEntityCategoriesAlgebraic number theoryIdeals (ring theory)