{ "id": "1105.0684", "version": "v2", "published": "2011-05-03T20:22:41.000Z", "updated": "2011-07-29T16:45:11.000Z", "title": "Two-divisibility of the coefficients of certain weakly holomorphic modular forms", "authors": [ "Darrin Doud", "Paul Jenkins", "John Lopez" ], "comment": "Corrected typos. To appear in the Ramanujan Journal", "journal": "The Ramanujan Journal 28 (2012), no. 1, 89-111", "doi": "10.1007/s11139-011-9331-0", "categories": [ "math.NT" ], "abstract": "We study a canonical basis for spaces of weakly holomorphic modular forms of weights 12, 16, 18, 20, 22, and 26 on the full modular group. We prove a relation between the Fourier coefficients of modular forms in this canonical basis and a generalized Ramanujan tau-function, and use this to prove that these Fourier coefficients are often highly divisible by 2.", "revisions": [ { "version": "v2", "updated": "2011-07-29T16:45:11.000Z" } ], "analyses": { "subjects": [ "11F33", "11F11" ], "keywords": [ "weakly holomorphic modular forms", "fourier coefficients", "two-divisibility", "canonical basis", "full modular group" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2011arXiv1105.0684D" } } }