A twisted Motohashi formula and Weyl-subconvexity for -functions of weight two cusp forms

We derive a Motohashi-type formula for the cubic moment of central values of -functions of level cusp forms twisted by quadratic characters of conductor , previously studied by Conrey and Iwaniec and Young. Corollaries of this formula include Weyl-subconvex bounds for -functions of weight two cusp forms twisted by quadratic characters, and estimates towards the Ramanujan-Petersson conjecture for Fourier coefficients of weight 3/2 cusp forms.


Published in:
Mathematische Annalen, 363, 1-2, 175-216
Year:
2015
Publisher:
Heidelberg, Springer Verlag
ISSN:
0025-5831
Laboratories:




 Record created 2015-12-02, last modified 2018-03-17

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