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Given a finite group G, we prove that the vector space spanned by the faithful irreducible characters of G is generated by the monomial characters in the vector space. As a consequence, we show that in any family of G-extensions of a fixed…

Number Theory · Mathematics 2024-05-15 Robert J. Lemke Oliver , Alexander Smith

Let $K$ be a number field and $S$ a set of primes of $K$. We write $K_S/K$ for the maximal extension of $K$ unramified outside $S$ and $G_{K,S}$ for its Galois group. In this paper, we prove the following generalization of the…

Number Theory · Mathematics 2021-12-30 Ryoji Shimizu

We study the prime numbers that lie in Beatty sequences of the form $\lfloor \alpha n + \beta \rfloor$ and have prescribed algebraic splitting conditions. We prove that the density of primes in both a fixed Beatty sequence and a Chebotarev…

Number Theory · Mathematics 2019-09-04 Caleb Ji , Joshua Kazdan , Vaughan McDonald

In this article, we prove a new bound for the least prime ideal in the Chebotarev density theorem, which improves the main theorem of Zaman [Funct. Approx. Comment. Math. 57 (2017), no.1, 115-142] by a factor of $5/2$. Our main improvement…

Number Theory · Mathematics 2019-02-26 Habiba Kadiri , Nathan Ng , Peng-Jie Wong

A monogenic polynomial $f$ is a monic irreducible polynomial with integer coefficients which produces a monogenic number field. For a given prime $q$, using the Chebotarev density theorem, we will show the density of primes $p$, such that…

Number Theory · Mathematics 2014-06-17 Mohammad Bardestani

We prove that the density of ramified primes in semisimple p-adic representations of Galois groups of number fields is 0. Ravi Ramakrishna has produced examples of such representations that are infinitely ramified.

Number Theory · Mathematics 2007-05-23 Chandrashekhar Khare , C. S. Rajan

We provide an elementary proof of an asymptotic formula for prime counting functions. As a minor application we give a new reduction of the proof of Chebotar\"ev's density theorem to the cyclic case.

Number Theory · Mathematics 2019-11-11 Andrew O'Desky

In this article, we prove that for a convergent sequence of residually absolutely irreducible representations of the absolute Galois group of a number field $F$ with coefficients in a domain finite over a power series ring over a $p$-adic…

Number Theory · Mathematics 2021-12-28 S. Aniruddha , Jyoti Prakash Saha

Reasons for the emergence of Chebyshev's bias were investigated. The Deep Riemann Hypothesis (DRH) enables us to reveal that the bias is a natural phenomenon for achieving a well-balanced disposition of the whole sequence of primes, in the…

Number Theory · Mathematics 2022-06-28 Miho Aoki , Shin-ya Koyama

We give a detailed proof of Theorem 1.15 from a well-known paper "Primitive normal bases for finite fields" by H.W. Lenstra Jr. and R.J. Schoof. We are not aware of any other proofs. Let $L/K$ be a finite-dimensional Galois field extension…

Number Theory · Mathematics 2011-11-10 B. V. Petrenko

In this article we prove a general theorem which establishes the existence of limiting distributions for a wide class of error terms from prime number theory. As a corollary to our main theorem, we deduce previous results of Wintner (1935),…

Number Theory · Mathematics 2013-06-10 Amir Akbary , Nathan Ng , Majid Shahabi

Chebotarev's theorem on roots of unity states that all minors of the Fourier matrix of prime size are non-vanishing. This result has been rediscovered several times and proved via different techniques. We follow the proof of Evans and…

Numerical Analysis · Mathematics 2025-10-01 Tarek Emmrich , Stefan Kunis

We classify all cubic function fields over any finite field, particularly developing a complete Galois theory which includes those cases when the constant field is missing certain roots of unity. In doing so, we find criteria which allow…

Number Theory · Mathematics 2017-05-02 Sophie Marques , Kenneth Ward

Let $L/K$ be a Galois extension of number fields. The problem of counting the number of prime ideals $\mathfrak p$ of $K$ with fixed Frobenius class in $\mathrm{Gal}(L/K)$ and norm satisfying a congruence condition is considered. We show…

Number Theory · Mathematics 2012-01-31 Ethan Smith

We generalize results of Alladi, Dawsey, and Sweeting and Woo for Chebotarev densities to general densities of sets of primes. We show that if $K$ is a number field and $S$ is any set of prime ideals with natural density $\delta(S)$ within…

Number Theory · Mathematics 2019-07-16 Michael Kural , Vaughan McDonald , Ashwin Sah

In this article, we prove a Reocurrence Theorem over function fields of curves over $\mathbf{C}(\! (t)\! )$ and over finite extensions of the Laurent series field $\mathbf{C}(\! (x,y)\! )$. This provides a partial replacement to…

Number Theory · Mathematics 2023-10-05 Felipe Gambardella

Let $F$ be a number field, $\mathcal{O}$ be a domain with fraction field $\mathcal{K}$ of characteristic zero and $\rho: \mathrm{Gal}(\overline F/F) \to \mathrm{GL}_n(\mathcal{O})$ be a representation such that…

Number Theory · Mathematics 2018-02-27 Jyoti Prakash Saha

We study the minimal number of ramified primes in Galois extensions of rational function fields over finite fields with prescribed finite Galois group. In particular, we obtain a general conjecture in analogy with the well studied case of…

Number Theory · Mathematics 2022-12-26 Lior Bary-Soroker , Alexei Entin , Arno Fehm

Given a number field $k$, we show that, for many finite groups $G$, all the Galois extensions of $k$ with Galois group $G$ cannot be obtained by specializing any given finitely many Galois extensions $E/k(T)$ with Galois group $G$ and $E/k$…

Number Theory · Mathematics 2017-10-25 Joachim König , François Legrand

In this paper, we show an analogue of Kural, McDonald and Sah's result on Alladi's formula for global function fields. Explicitly, we show that for a global function field $K$, if a set $S$ of prime divisors has a natural density…

Number Theory · Mathematics 2021-05-18 Lian Duan , Biao Wang , Shaoyun Yi