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Locally cyclic group : ウィキペディア英語版 | Locally cyclic group
In group theory, a locally cyclic group is a group (''G'', *) in which every finitely generated subgroup is cyclic. ==Some facts==
*Every cyclic group is locally cyclic, and every locally cyclic group is abelian. *Every finitely-generated locally cyclic group is cyclic. *Every subgroup and quotient group of a locally cyclic group is locally cyclic. *Every Homomorphic image of a locally cyclic group is locally cyclic. *A group is locally cyclic if and only if every pair of elements in the group generates a cyclic group. *A group is locally cyclic if and only if its lattice of subgroups is distributive . *The torsion-free rank of a locally cyclic group is 0 or 1. *The endomorphism ring of a locally cyclic group is commutative.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Locally cyclic group」の詳細全文を読む
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