paper

Congruences between Hilbert modular forms of weight , and special values of their -functions

arXiv:1707.01314

Abstract

The purpose of this paper is to show how a congruence between (the Fourier coefficients of) a Hilbert cusp form and a Hilbert Eisenstein series of parallel weight gives rise to congruences between algebraic parts of critical values of their -functions. This is a generalization of a result of V. Vatsal.

43 pages

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