Semi-primitive roots and irreducible quadratic forms

Fuente: arXiv
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Main Authors: Wolf, Marc, Wolf, François
Format: Preprint
Published: 2024
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author Wolf, Marc
Wolf, François
author_facet Wolf, Marc
Wolf, François
contents Modulo a prime number, we define semi-primitive roots as the square of primitive roots. We present a method for calculating primitive roots from quadratic residues, including semi-primitive roots. We then present progressions that generate primitive and semi-primitive roots, and deduce an algorithm to obtain the full set of primitive roots without any GCD calculation. Next, we present a method for determining irreducible quadratic forms with arbitrarily large conjectured asymptotic density of primes (after Shanks, [1][2]). To this end, we propose an algorithm for calculating the square root modulo p, based on the Tonelli-Shanks algorithm [4].
format Preprint
id arxiv_https___arxiv_org_abs_2407_20269
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Semi-primitive roots and irreducible quadratic forms
Wolf, Marc
Wolf, François
General Mathematics
11A07 (Primary), 68P05, 11B05
Modulo a prime number, we define semi-primitive roots as the square of primitive roots. We present a method for calculating primitive roots from quadratic residues, including semi-primitive roots. We then present progressions that generate primitive and semi-primitive roots, and deduce an algorithm to obtain the full set of primitive roots without any GCD calculation. Next, we present a method for determining irreducible quadratic forms with arbitrarily large conjectured asymptotic density of primes (after Shanks, [1][2]). To this end, we propose an algorithm for calculating the square root modulo p, based on the Tonelli-Shanks algorithm [4].
title Semi-primitive roots and irreducible quadratic forms
topic General Mathematics
11A07 (Primary), 68P05, 11B05
url https://arxiv.org/abs/2407.20269