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Distribution of root numbers of Hecke characters attached to some elliptic curves

  • Keunyoung Jeong ORCID logo EMAIL logo , Jigu Kim and Taekyung Kim
Published/Copyright: March 16, 2021

Abstract

In this paper, we show that an action on the set of elliptic curves with j=1728 preserves a certain kind of symmetry on the local root number of Hecke characters attached to such elliptic curves. As a consequence, we give results on the distribution of the root numbers and their average of the aforementioned Hecke characters.

MSC 2010: 11G15; 11N69

Award Identifier / Grant number: 2018R1C1C1004264

Award Identifier / Grant number: 2019R1A6A1A11051177

Award Identifier / Grant number: 2020R1I1A1A01074746

Funding statement: The first author was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (Grant No. 2018R1C1C1004264). He also thanks IBS-CGP for their hospitality and financial support. The second author was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (Grant Nos. 2019R1A6A1A11051177 and 2020R1I1A1A01074746). The third author was supported by IBS-R003-D1.

Acknowledgements

The authors thank the referee for the valuable suggestions. The first author would like to thank Professor Peter J. Cho and Professor Yoonbok Lee for useful discussion. The second and the third authors also thank UNIST for their hospitality.

  1. Communicated by: Valentin Blomer

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Received: 2020-01-17
Revised: 2020-10-01
Published Online: 2021-03-16
Published in Print: 2021-05-01

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