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arXiv:1206.1585 [math.NT]AbstractReferencesReviewsResources

A Cohen-Lenstra phenomenon for elliptic curves

Chantal David, Ethan Smith

Published 2012-06-07, updated 2014-02-11Version 3

Given an elliptic curve $E$ and a finite Abelian group $G$, we consider the problem of counting the number of primes $p$ for which the group of points modulo $p$ is isomorphic to $G$. Under a certain conjecture concerning the distribution of primes in short intervals, we obtain an asymptotic formula for this problem on average over a family of elliptic curves.

Comments: A mistake was discovered in the derivation of the product formula for K(G). The included corrigendum corrects this mistake. All page numbers in the corrigendum refer to the journal version of the manuscript
Journal: Journal of the London Mathematical Society, 89(1):24-44, 2014; Corrigendum: Journal of the London Mathematical Society, 89(1):45-46, 2014
Categories: math.NT
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