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Related papers: Mixed moments of twisted $L$-functions

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We prove an asymptotic formula with a power saving error term for the (pure or mixed) second moment of central values of L-functions of any two (possibly equal) fixed cusp forms f, g twisted by all primitive characters modulo q, valid for…

Number Theory · Mathematics 2020-04-28 Valentin Blomer , Djordje Milićević

We study the average of the product of the central values of two $L$-functions of modular forms $f$ and $g$ twisted by Dirichlet characters to a large prime modulus $q$. As our principal tools, we use spectral theory to develop bounds on…

Number Theory · Mathematics 2020-04-28 Valentin Blomer , Étienne Fouvry , Emmanuel Kowalski , Philippe Michel , Djordje Milićević

There has recently been some interest in optimizing the error term in the asymptotic for the fourth moment of Dirichlet L-functions and a closely related mixed moment of L-functions involving automorphic L-functions twisted by Dirichlet…

Number Theory · Mathematics 2024-01-04 Rizwanur Khan , Zeyuan Zhang

We evaluate the twisted four moment on the critical line of the family of Dirichlet $L$-functions to a fixed prime power modulus, obtaining an asymptotic formula with a power saving error term.

Number Theory · Mathematics 2025-07-25 Peng Gao , Liangyi Zhao

In this paper, we establish an asymptotic formula for the twisted second moments of Dirichlet $L$-functions with one and two twists when averaged over all primitive Dirichlet characters of modulus $R$, where $R$ is a monic polynomial in…

Number Theory · Mathematics 2023-06-16 J. C. Andrade , J. MacMillan

We establish power-saving estimates for general bilinear forms with Kloosterman sums modulo arbitrary q, including when both variables are shorter than the Polya-Vinogradov range. As an application, we obtain power-saving asymptotics for…

Number Theory · Mathematics 2025-11-12 Djordje Milićević , Xinhua Qin , Xiaosheng Wu

We study the moments of $L$-functions associated with primitive cusp forms, in the weight aspect. In particular, we obtain an asymptotic formula for the twisted moments of a \textit{long} Dirichlet polynomial with modular coefficients. This…

Number Theory · Mathematics 2023-06-29 Brian Conrey , Alessandro Fazzari

We prove an asymptotic formula with a power saving error term for the fourth moment of the family of Dirichlet $L$-functions to modulus $q$ mollified by a Dirichlet polynomial of length $q^{\frac1{22}-\ve}$, valid for all moduli…

Number Theory · Mathematics 2025-10-30 Peng Gao , Xiaosheng Wu , Liangyi Zhao

We obtain an asymptotic formula with an error term $O(X^{\frac{1}{2} + \varepsilon})$ for the smoothed first moment of quadratic twists of modular $L$-functions. We also give a similar result for the smoothed first moment of the first…

Number Theory · Mathematics 2023-04-04 Quanli Shen

We evaluate the twisted first moment of central values of the family of primitive quadratic Dirichlet $L$-functions using the method of double Dirichlet series together with a recursive argument. Our main result is an asymptotic formula…

Number Theory · Mathematics 2025-06-04 Peng Gao , Liangyi Zhao

Let $f$ be a Hecke-Maass cusp form for the full modular group and let $\chi$ be a primitive Dirichlet character modulo a prime $q$. Let $s_0=\sigma_0+it_0$ with $\frac{1}{2}\leq\sigma_0<1$. We improve the error term for the first moment of…

Number Theory · Mathematics 2022-01-27 Xinyi He

We establish upper bounds for shifted moments of modular $L$-functions to a fixed modulus as well as quadratic twists of modular $L$-functions under the generalized Riemann hypothesis. Our results are then used to establish bounds for…

Number Theory · Mathematics 2024-12-18 Peng Gao , Liangyi Zhao

We study the family of Dirichlet $L$-functions of all even primitive characters of conductor at most $Q$, where $Q$ is a parameter tending to $\infty$. For an arbitrary positive integer $k$, we approximate the twisted $2k$th moment of this…

Number Theory · Mathematics 2022-05-03 Siegfred Baluyot , Caroline L. Turnage-Butterbaugh

We prove an asymptotic formula for the second moment of the first derivative of quadratic twists of modular $L$-functions with three leading order main terms. It improves the previous result of Kumar et al. with the first main term. The…

Number Theory · Mathematics 2026-03-24 Yujiao Jiang , Quanli Shen , Ziyang Tang

We prove an asymptotic formula for the second moment of central values of Dirichlet $L$-functions restricted to a coset. More specifically, consider a coset of the subgroup of characters modulo $d$ inside the full group of characters modulo…

Number Theory · Mathematics 2026-05-06 Bradford Garcia , Matthew P. Young

We prove Motohashi's formula for a mixed second moment of the Riemann zeta function and a Dirichlet $L$-function attached to a primitive Dirichlet character modulo $q \in \mathbb{N}$. If $q$ is an odd prime, our reciprocity formula is…

Number Theory · Mathematics 2025-02-17 Ikuya Kaneko

We evaluate the twisted first moment of central values of the product of a quadratic Dirichlet $L$-function and a quadratic twist of a modular $L$-function.

Number Theory · Mathematics 2024-03-19 Peng Gao , Liangyi Zhao

The asymptotic formula of the fourth moment of Dirichlet $L$-functions at the central value was predicted in a conjecture by J. B. Conrey, D. W. Farmer, J. P. Keating, M. O. Rubinstein, and N. C. Snaith, and the prime moduli case was proved…

Number Theory · Mathematics 2022-10-14 Xiaosheng Wu

We give an asymptotic formula with power saving error term for the twisted first moment of symmetric square L-functions on GL(3) in the level aspect. As applications, we obtain non-vanishing results as well as lower bounds of the expected…

Number Theory · Mathematics 2024-05-20 Valentin Blomer , Félicien Comtat

For a fairly general family of L-functions, we survey the known consequences of the existence of asymptotic formulas with power-sawing error term for the (twisted) first and second moments of the central values in the family. We then…

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