Constant Tamagawa numbers of special elliptic curves
Number Theory
2021-06-02 v1
Abstract
For the elliptic curves , which has 2-isogeny curve , , where are different odd prime numbers and , we demonstrate that Tamagawa numbers of these elliptic curves are always one or zero by the use of matrix in finite field . The specific number depends on the value of . By our proofs of these results, we find a method to quickly sieve a part of the elliptic curves with Mordell-Weil rank zero or rank one in this form as an application.
Cite
@article{arxiv.2106.00340,
title = {Constant Tamagawa numbers of special elliptic curves},
author = {Luying Li and Chang Lv},
journal= {arXiv preprint arXiv:2106.00340},
year = {2021}
}