English

Some properties of dihedral group codes

Rings and Algebras 2021-03-02 v3 Information Theory math.IT

Abstract

In this paper, we study the dihedral codes, i.e. the left ideals of FqDn\mathbb{F}_qD_{n} in the case gcd(q,n)=1\gcd(q, n) = 1. An explicit algebraic description of the dihedral codes and their duals is obtained. In addition, a criterion for self-duality of a dihedral code is obtained. Bases, generating and check matrices of dihedral codes are constructed. Given a dihedral code, we consider exterior and interior codes that are induced by cyclic codes. Using this codes, some properties of generating matrices are described and a connection to cyclic code theory is established. In addition, some estimates of code parameters are obtained and several illustrative examples are given.

Keywords

Cite

@article{arxiv.2005.08283,
  title  = {Some properties of dihedral group codes},
  author = {Kirill V. Vedenev and Vladimir M. Deundyak},
  journal= {arXiv preprint arXiv:2005.08283},
  year   = {2021}
}
R2 v1 2026-06-23T15:36:23.583Z