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GOLDFELD’S CONJECTURE AND CONGRUENCES BETWEEN HEEGNER POINTS
Published online by Cambridge University Press: 27 May 2019
Abstract
Given an elliptic curve $E$ over
$\mathbb{Q}$, a celebrated conjecture of Goldfeld asserts that a positive proportion of its quadratic twists should have analytic rank 0 (respectively 1). We show that this conjecture holds whenever
$E$ has a rational 3-isogeny. We also prove the analogous result for the sextic twists of
$j$-invariant 0 curves. For a more general elliptic curve
$E$, we show that the number of quadratic twists of
$E$ up to twisting discriminant
$X$ of analytic rank 0 (respectively 1) is
$\gg X/\log ^{5/6}X$, improving the current best general bound toward Goldfeld’s conjecture due to Ono–Skinner (respectively Perelli–Pomykala). To prove these results, we establish a congruence formula between
$p$-adic logarithms of Heegner points and apply it in the special cases
$p=3$ and
$p=2$ to construct the desired twists explicitly. As a by-product, we also prove the corresponding
$p$-part of the Birch and Swinnerton–Dyer conjecture for these explicit twists.
MSC classification
- Type
- Research Article
- Information
- Creative Commons
- This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
- Copyright
- © The Author(s) 2019
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