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Rank Stability of Elliptic Curves in Certain Non-abelian Extensions by Pathak, Siddhi; Ray, Anwesh is a scholarly article available to read on EtoBox.

What is Rank Stability of Elliptic Curves in Certain Non-abelian Extensions about?

Let $E_{/\mathbb{Q}}$ be an elliptic curve with rank $E(\mathbb{Q})=0$. Fix an odd prime $p$, a positive integer $n$ and a finite abelian extension $K/\mathbb{Q}$ with rank $E(K) = 0$. In this paper, we show that there exist infinitely many extensions $L/K$ such that $L/\mathbb{Q}$ is Galois with $\operatorname{Gal}(L/\mathbb{Q}) \simeq \operatorname{Gal}(K/\mathbb{Q}) \ltimes \mathbb{Z}/p^n\mathbb{Z}$, and rank $E(L)=0$. This is an extension of earlier results on rank stability of elliptic curves in cyclic extensions of prime power order to a non-abelian setting. We also obtain an asymptotic lower bound for the number of such extensions, ordered by their absolute discriminant.

Author

Pathak, Siddhi; Ray, Anwesh

Published

2024

Language

EN