{ "id": "1407.7892", "version": "v2", "published": "2014-07-29T21:27:10.000Z", "updated": "2016-01-15T20:00:07.000Z", "title": "Picard curves over Q with good reduction away from 3", "authors": [ "Beth Malmskog", "Christopher Rasmussen" ], "comment": "27 pages; A previous lemma was incorrect and has been removed; Corrected computation has identified 18 new such curves (63 in total)", "categories": [ "math.NT" ], "abstract": "Inspired by methods of N. P. Smart, we describe an algorithm to determine all Picard curves over Q with good reduction away from 3, up to Q-isomorphism. A correspondence between the isomorphism classes of such curves and certain quintic binary forms possessing a rational linear factor is established. An exhaustive list of integral models is determined, and an application to a question of Ihara is discussed.", "revisions": [ { "version": "v1", "updated": "2014-07-29T21:27:10.000Z", "comment": "27 pages", "journal": null, "doi": null }, { "version": "v2", "updated": "2016-01-15T20:00:07.000Z" } ], "analyses": { "subjects": [ "11E76", "11G30", "11J86", "11Y40", "14Q05", "14H30", "11G32" ], "keywords": [ "reduction away", "picard curves", "rational linear factor", "quintic binary forms possessing", "integral models" ], "note": { "typesetting": "TeX", "pages": 27, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2014arXiv1407.7892M" } } }