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

Petrow, IN; (2015) A twisted Motohashi formula and Weyl-subconvexity for L-functions of weight two cusp forms. Mathematische Annalen , 363 (1-2) pp. 175-216. 10.1007/s00208-014-1166-8. Green open access

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Abstract

We derive a Motohashi-type formula for the cubic moment of central values of L -functions of level q cusp forms twisted by quadratic characters of conductor q , previously studied by Conrey and Iwaniec and Young. Corollaries of this formula include Weyl-subconvex bounds for L -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.

Type: Article
Title: A twisted Motohashi formula and Weyl-subconvexity for L-functions of weight two cusp forms
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/s00208-014-1166-8
Publisher version: https://doi.org/10.1007/s00208-014-1166-8
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Mathematics
URI: https://discovery.ucl.ac.uk/id/eprint/10084826
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