EntityQ1497184· pop 12· linked from 85 articlesfractional idealSign in to savegeneralization of the ring-theoretical notion of ideal to integral domainsConnectionsidealEntitymodular arithmeticEntitymoduleEntityalgebraic number fieldEntityp-adic numberEntitynoncommutative ringEntitymathematicsEntityInternational Standard Book NumberEntityintegerEntityfractionEntityOCLC, Inc.EntityringEntityfieldEntityintersectionEntityabelian groupEntityMichael AtiyahEntityalgebraic structureEntityNicolas BourbakiEntityCambridge University PressEntityif and only ifEntityCategoriesAlgebraic number theoryIdeals (ring theory)