1999/11/12 by Bart de Smit, Bas Edixhoven
Mathematics · #math.NT
published as Mathematical Research Letters 7 (2000), 147-154
arxiv created 1999/11/12 · arxiv updated 2009/12/01
We generalize a result of Chen concerning an isogeny between products of jacobians of modular curves associated to subgroups of GL(2,Fp). This generalization concerns objects with an action by GL(2,F) with F an arbitrary finite field, in more general additive categories.