{ "id": "1904.05756", "version": "v1", "published": "2019-04-11T15:13:43.000Z", "updated": "2019-04-11T15:13:43.000Z", "title": "Non-vanishing theorems for central $L$-values of some elliptic curves with complex multiplication II", "authors": [ "John Coates", "Yongxiong Li" ], "categories": [ "math.NT" ], "abstract": "Let $q$ be any prime $\\equiv 7 \\mod 16$, $K = \\mathbb{Q}(\\sqrt{-q})$, and let $H$ be the Hilbert class field of $K$. Let $A/H$ be the Gross elliptic curve defined over $H$ with complex multiplication by the ring of integers of $K$. We prove the existence of a large explicit infinite family of quadratic twists of $A$ whose complex $L$-series does not vanish at $s=1$. This non-vanishing theorem is completely new when $q > 7$. Its proof depends crucially on the results established in our earlier paper for the Iwasawa theory at the prime $p=2$ of the abelian variety $B/K$, which is the restriction of scalars from $H$ to $K$ of the elliptic curve $A$.", "revisions": [ { "version": "v1", "updated": "2019-04-11T15:13:43.000Z" } ], "analyses": { "subjects": [ "11G05", "11G40" ], "keywords": [ "complex multiplication", "non-vanishing theorem", "gross elliptic curve", "hilbert class field", "abelian variety" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }