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In this paper we use techniques first introduced by Florea to improve the asymptotic formula for the first moment of the quadratic Dirichlet L-functions over the rational function field, running over all monic, square-free polynomials of…

Number Theory · Mathematics 2019-08-13 J. C. Andrade , J. MacMillan

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

We establish an asymptotic formula with a power-saving error term for the twisted mixed moment of Dirichlet $L$-functions and automorphic $L$-functions twisted by all primitive characters modulo $q$, valid for all admissible moduli. As a…

Number Theory · Mathematics 2025-12-11 Zhenpeng Tang , Xiaosheng Wu

In this paper, we establish the expected order of magnitude of the $k$th-moment of quadratic Dirichlet $L$-functions associated to hyperelliptic curves of genus $g$ as well as of prime moduli over a fixed finite field $\mathbb{F}_{q}$ for…

Number Theory · Mathematics 2022-10-27 Peng Gao , 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

In this paper, we obtain asymptotic formulas for weighted first moments of central values of families of primitive quadratic Dirichlet $L$-functions whose conductors comprise only primes that split in a given quadratic number field. We then…

Number Theory · Mathematics 2020-01-01 Peng Gao , Liangyi Zhao

We prove an asymptotic formula for the eighth moment of Dirichlet $L$-functions averaged over primitive characters $\chi$ modulo $q$, over all moduli $q\leq Q$ and with a short average on the critical line. Previously the same result was…

Number Theory · Mathematics 2023-07-26 Vorrapan Chandee , Xiannan Li , Kaisa Matomäki , Maksym Radziwiłł

We give a new proof of Heath-Brown's full asymptotic expansion for the second moment of Dirichlet L-functions and we obtain a corresponding asymptotic expansion for a twisted first moment of Hecke-Maass L-functions.

Number Theory · Mathematics 2025-09-24 Avery Bainbridge , Rizwanur Khan , Ze Sen Tang

We derive formulas for the terms in the conjectured asymptotic expansions of the moments, at the central point, of quadratic Dirichlet $L$-functions, $L(1/2,\chi_d)$, and also of the $L$-functions associated to quadratic twists of an…

Number Theory · Mathematics 2012-06-18 Ian P. Goulden , Duc Khiem Huynh , Rishikesh , Michael O. Rubinstein

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

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 deal with negative square moments of Dirichlet $L$-functions. Summing over characters modulo $q$, we obtain an asymptotic formula for the negative second moment of $L(1,\chi)$ involving conductors. As an application, we give the improved…

Number Theory · Mathematics 2025-01-22 Iu-Iong Ng , Yuichiro Toma

Let $ \mathfrak{f} $ run over the space $ H_{4k} $ of primitive cusp forms of level one and weight $ 4k $, $ k \in N $. We prove an explicit formula for the mixed moment of the Hecke $ L $-function $ L(\mathfrak{f}, 1/2) $ and the symmetric…

Number Theory · Mathematics 2019-12-18 Olga Balkanova , Gautami Bhowmik , Dmitry Frolenkov , Nicole Raulf

We evaluate the first moment of the family of primitive quadratic Hecke $L$-functions in the Gaussian field using the method of double Dirichlet series under the Riemann hypothesis and the Lindel\"of hypothesis. We obtain asymptotic…

Number Theory · Mathematics 2026-03-30 Peng Gao , Liangyi Zhao

We conjecture results about the moments of mixed derivatives of the Riemann zeta function, evaluated at the non-trivial zeros of the Riemann zeta function. We do this in two different ways, both giving us the same conjecture. In the first,…

Number Theory · Mathematics 2025-09-11 Christopher Hughes , Andrew Pearce-Crump

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

In this paper we address the problem of computing asymptotic formulae for the expected values and second moments of central values of primitive Dirichlet $L$-functions $L(1/2,\chi_{8d}\otimes\psi)$ when $\psi$ is a fixed even primitive…

Number Theory · Mathematics 2022-01-28 J. C. Andrade , K. Smith

We evaluate some twisted fourth moment of Dirichlet $L$-functions at the central point s=1/2 and for prime moduli q. The principal tool is a careful analysis of a shifted convolution problem involving the divisor function using spectral…

Number Theory · Mathematics 2019-12-04 Raphaël Zacharias

We obtain an asymptotic formula for all moments of Dirichlet $L$-functions $L(1,\chi)$ modulo $p$ when averaged over a subgroup of characters $\chi$ of size $(p-1)/d$ with $\varphi(d)=o(\log p)$. Assuming the infinitude of Mersenne primes,…

Number Theory · Mathematics 2025-02-21 Marc Munsch , Igor E. Shparlinski

We study the third moment of quadratic Dirichlet L-functions, obtaining an error term of size $O(X^{3/4 + \varepsilon})$.

Number Theory · Mathematics 2014-05-22 Matthew P. Young