An interesting elliptic surface over an elliptic curve
Algebraic Geometry
2007-05-23 v2 Number Theory
Abstract
We study the elliptic modular surface attached to the commutator subgroup of the modular group. This has an elliptic curve as base and only one singular fibre. We employ an algebraic approach and then consider some arithmetic questions.
Cite
@article{arxiv.math/0611103,
title = {An interesting elliptic surface over an elliptic curve},
author = {Tetsuji Shioda and Matthias Schuett},
journal= {arXiv preprint arXiv:math/0611103},
year = {2007}
}
Comments
12 pages; dedicated to Michel Raynaud; v2: added Prop. 5 and Section 7