Number Theory Seminar
Building 15, Room 104
Congruences between base change and non base change
Jacques Tilouine,
Institut Galilée,
Universite Paris 13,
In a work in progress with E. Urban, we show, under certain assumptions, integral period relations for quadratic base change adjoint $L$ functions. We use this to determine the exact congruence number between the quadratic base change of a classical cusp eigenform and non base change forms in the real and imaginary quadratic cases.
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Number Theory Seminar Series
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