Communications of the
Korean Mathematical Society
CKMS

ISSN(Print) 1225-1763 ISSN(Online) 2234-3024

Article

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Commun. Korean Math. Soc. 2013; 28(3): 433-447

Printed July 1, 2013

https://doi.org/10.4134/CKMS.2013.28.3.433

Copyright © The Korean Mathematical Society.

The number of points on elliptic curves $y^2 =x^3 +Ax$ and $y^2 =x^3 +B^3$ mod 24

Wonju Jeon and Daeyeoul Kim

National Institute for Mathematical Sciences, National Institute for Mathematical Sciences

Abstract

In this paper, we calculate the number of points on elliptic curves $y^2 =x^3 +Ax$ over $F_{p^r}$ modulo $24$. This is a generalization of \cite{PDE}, \cite{Soonho} and \cite{SHH}.

Keywords: congruence, elliptic curve