Congruence formula for certain dihedral twists

Shekhar, Sudhanshu; Sujatha, R.

doi:10.1090/S0002-9947-2014-06232-6

Congruence formula for certain dihedral twists
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Trans. Amer. Math. Soc. 367 (2015), 3579-3598 Request permission

Abstract:

In this article we prove a congruence formula for the special values of certain dihedral twists of two primitive modular forms of weight two with isomorphic residual Galois representation at a prime $p$.

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