The Galois Group of 8-Torsion Points on Elliptic Curves
Date
2017-07-05
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Abstract
In this paper, we explore the Galois group of 8-torsion points on elliptic curves over Q. In particular, we present algorithms that allow us to find the subgroup of GL2(Z/8Z) that best represents the 8-torsion group of a fixed elliptic curve E. We first give a general introduction to elliptic curves, algebraic number theory, and representation theory, which together provide a theoretical background for computations. We present the algorithms at the end of the paper, along with some computational results of its application.
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Elliptic Curves