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Automorphisms of hyperelliptic modular curves X0(N) in positive characteristic

Part of: Curves Arithmetic algebraic geometry Discontinuous groups and automorphic forms

Published online by Cambridge University Press:  01 April 2010

Aristides Kontogeorgis  and
Yifan Yang
Aristides Kontogeorgis
Affiliation:
Max-Planck-Institut für Mathematik Vivatsgasse 7, 53111 Bonn, Germany Department of Mathematics, University of the Aegean, 83200 Samos, Greece (email: kontogar@aegean.gr)http://myria.math.aegean.gr/∼kontogar
Yifan Yang
Affiliation:
Max-Planck-Institut für Mathematik Vivatsgasse 7, 53111 Bonn, Germany Department of Applied Mathematics, National Chiao Tung University, Hsinchu 300, Taiwan (email: yfyang@math.nctu.edu.tw)

Abstract

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We study the automorphism groups of the reduction of a modular curve X0(N) over primes p∤N.

MSC classification

Secondary: 14H37: Automorphisms 11F11: Holomorphic modular forms of integral weight 11G20: Curves over finite and local fields
Type
Research Article
Information
LMS Journal of Computation and Mathematics , Volume 13 , January 2010 , pp. 144 - 163
Copyright
Copyright © London Mathematical Society 2010

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