{ "id": "1811.04563", "version": "v1", "published": "2018-11-12T05:36:22.000Z", "updated": "2018-11-12T05:36:22.000Z", "title": "The number of cyclic subgroups of finite abelian groups and Menon's identity", "authors": [ "Marius Tărnăuceanu" ], "categories": [ "math.GR" ], "abstract": "In this note, we give a new formula for the number of cyclic subgroups of a finite abelian group. This is based on applying the Burnside's lemma to a certain group action. Also, it generalizes the well-known Menon's identity.", "revisions": [ { "version": "v1", "updated": "2018-11-12T05:36:22.000Z" } ], "analyses": { "keywords": [ "finite abelian group", "cyclic subgroups", "well-known menons identity", "group action", "burnsides lemma" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }