On the distribution of the order over residue classes
Author:
Pieter Moree
Journal:
Electron. Res. Announc. Amer. Math. Soc. 12 (2006), 121-128
MSC (2000):
Primary 11N37, 11R45; Secondary 11N69
DOI:
https://doi.org/10.1090/S1079-6762-06-00168-5
Published electronically:
August 18, 2006
MathSciNet review:
2263073
Full-text PDF Free Access
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Abstract: For a fixed rational number $g\not \in \{-1,0,1\}$ and integers $a$ and $d$ we consider the set $N_g(a,d)$ of primes $p$ such that the order of $g$ modulo $p$ is congruent to $a (\textrm {mod~}d)$. Under the Generalized Riemann Hypothesis (GRH), it can be shown that the set $N_g(a,d)$ has a natural density $\delta _g(a,d)$. Arithmetical properties of $\delta _g(a,d)$ are described, and $\delta _g(a,d)$ is compared with $\delta (a,d)$: the average density of elements in a field of prime characteristic having order congruent to $a (\textrm {mod~}d)$. It transpires that $\delta _g(a,d)$ has a strong tendency to be equal to $\delta (a,d)$, or at least to be close to it.
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[Z]Z D. Zagier, personal communication.
[CM]CM K. Chinen and L. Murata, On a distribution property of the residual order of $a (\textrm {mod~}p)$, I, II, J. Number Theory 105 (2004), 60โ81, 82โ100. ;
[H]H C. Hooley, On Artinโs conjecture, J. Reine Angew. Math. 225 (1967), 209โ220.
[M-Av]Moreeaverage P. Moree, On the average number of elements in a finite field with order or index in a prescribed residue class, Finite Fields Appl. 10 (2004), 438โ463.
[M-Fi]MoreeF P. Moree, Convoluted convolved Fibonacci numbers, J. Integer Seq. 7 (2004), Article 04.2.2, 16 pp. (electronic).
[M-Wi]MoreeW P. Moree, The formal series Witt transform, Discrete Math. 295 (2005), 143โ160.
[M-0]M-old P. Moree, On primes $p$ for which $d$ divides ord$_p(g)$, Funct. Approx. Comment. Math. 33 (2005), 85โ95.
[M-1]Moree1 P. Moree, On the distribution of the order and index of $g (\textrm {mod~}p)$ over residue classes I, J. Number Theory 114 (2005), 238โ271.
[M-2]Moree2 P. Moree, On the distribution of the order and index of $g (\textrm {mod~}p)$ over residue classes II, J. Number Theory 117 (2006), 330โ354.
[M-3]Moree3 P. Moree, On the distribution of the order and index of $g (\textrm {mod~}p)$ over residue classes III, arXiv:math.NT/0405527, Journal of Number Theory, to appear.
[P]Pappalardi F. Pappalardi, On Hooleyโs theorem with weights, Number theory, II (Rome, 1995), Rend. Sem. Mat. Univ. Politec. Torino 53 (1995), 375โ388.
[W-1]Wiertelak1 K. Wiertelak, On the density of some sets of primes, IV, Acta Arith. 43 (1984), 177โ190.
[W-2]Wiertelak2 K. Wiertelak, On the density of some sets of primes $p$, for which $n|\textrm {ord}_p(a)$, Funct. Approx. Comment. Math. 28 (2000), 237โ241.
[Z]Z D. Zagier, personal communication.
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Additional Information
Pieter Moree
Affiliation:
Max-Planck-Institut fรผr Mathematik, Vivatsgasse 7, D-53111 Bonn, Germany
MR Author ID:
290905
Email:
moree@mpim-bonn.mpg.de
Received by editor(s):
February 5, 2006
Published electronically:
August 18, 2006
Communicated by:
Brian Conrey
Article copyright:
© Copyright 2006
American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication.