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Related papers: The second and third moment of $L(\frac{1}{2},\chi…

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Given $c,$ a positive integer, we give an explicit formula and an asymptotic formula for \[ \sum\chi(c)|L(1,\,\chi)|^{2}, \] where $\chi$ is the non-trivial Dirichlet character mod $f$ with $f>c.$

Number Theory · Mathematics 2016-05-02 Seok Hyeong Lee , Seungjai Lee

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

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

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 study the fourth moment of quadratic Dirichlet $L$-functions at $s= \frac{1}{2}$. We show an asymptotic formula under the generalized Riemann hypothesis, and obtain a precise lower bound unconditionally. The proofs of these results…

Number Theory · Mathematics 2020-07-29 Quanli Shen

We evaluate the first moment of central values of the family of quadratic Dirichlet $L$-functions using the method of double Dirichlet series. Under the generalized Riemann hypothesis, we prove an asymptotic formula with an error term of…

Number Theory · Mathematics 2024-08-27 Peng Gao , Liangyi Zhao

The first and second moments are established for the family of quadratic Dirichlet $L$--functions over the rational function field at the central point $s=\tfrac{1}{2}$ where the character $\chi$ is defined by the Legendre symbol for…

Number Theory · Mathematics 2014-01-03 Julio C. Andrade , Jonathan P. Keating

We study the moments of the Dirichlet L-function when defined over the polynomial ring over finite fields. We find an asymptotic formula to the fourth moment of the central value of Dirichlet L functions in this context. We also find a…

Number Theory · Mathematics 2013-01-01 Nattalie Tamam

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

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 study the second moment of Dirichlet $L$-functions to a large prime modulus $q$ twisted by the square of an arbitrary Dirichlet polynomial. We break the $\frac{1}{2}$-barrier in this problem, and obtain an asymptotic formula provided…

Number Theory · Mathematics 2018-09-03 H. M. Bui , Kyle Pratt , Nicolas Robles , Alexandru Zaharescu

We extend the work of Fouvry, Kowalski and Michel on correlation between Hecke eigenvalues of modular forms and algebraic trace functions in order to establish an asymptotic formula for a generalized cubic moment of modular L-functions at…

Number Theory · Mathematics 2017-07-05 Raphael Zacharias

Extending a result of Heath-Brown, we establish an asymptotic formula for the fourth moment of central values of Dirichlet $L$-functions attached to primitive characters $\pmod q$.

Number Theory · Mathematics 2007-05-23 K. Soundararajan

We study the second moment of the central values of quadratic twists of a modular $L$-function. Unconditionally, we obtain a lower bound which matches the conjectured asymptotic formula, while on GRH we prove the asymptotic formula itself.

Number Theory · Mathematics 2013-03-27 Matthew P. Young , K. Soundararajan

We evaluate asymptotically the smoothed first moment of central values of families of quadratic, cubic, quartic and sextic Hecke $L$-functions over various imaginary quadratic number fields of class number one, using the method of double…

Number Theory · Mathematics 2025-12-03 Peng Gao , Liangyi Zhao

In this note we investigate the behavior at the central point of the symmetric square $L$-functions, the most frequently used $\rm{GL}(3)$ $L$-functions. We establish an asymptotic formula with arbitrary power saving for the first moment of…

Number Theory · Mathematics 2016-10-28 Shenhui Liu

We study the 2k-th power moment of Dirichlet L-functions L(s,\chi) at the centre of the critical strip (s=1/2), where the average is over all primitive characters \chi (mod q). We extend to this case the hybrid Euler-Hadamard product…

Number Theory · Mathematics 2012-11-06 H. M. Bui , J. P. Keating

In this paper we investigate the moments and the distribution of $L(1,\chi_D)$, where $\chi_D$ varies over quadratic characters associated to square-free polynomials $D$ of degree $n$ over $\mathbb{F}_q$, as $n\to\infty$. Our first result…

Number Theory · Mathematics 2019-02-20 Allysa Lumley

We obtain the asymptotic main term of moments of arbitrary derivatives of $L$-functions in the function field setting. Specifically, the first, second, and mixed fourth moments. The average is taken over all non-trivial characters of a…

Number Theory · Mathematics 2019-04-10 J. C. Andrade , M. Yiasemides

We evaluate the smoothed first moment of central values of a family of qudratic Hecke $L$-functions in the Gaussian field using the method of double Dirichlet series. The asymptotic formula we obtain has an error term of size…

Number Theory · Mathematics 2023-07-28 Peng Gao , Liangyi Zhao