Congruences between modular forms and lowering the level mod l^n

Luis Dieulefait and Xavier Taixés ()

Economics Working Papers from Department of Economics and Business, Universitat Pompeu Fabra

Abstract: In this article we study the behavior of inertia groups for modular Galois mod l^n representations and in some cases we give a generalization of Ribet’s lowering the level result (cf. [Rib90]).

Date: 2008-04
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Persistent link: https://EconPapers.repec.org/RePEc:upf:upfgen:1247

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