English

Bidihedral skew braces

Group Theory 2026-07-17 v1

Abstract

We classify skew braces with additive and multiplicative groups both isomorphic to the dihedral group Dn D_{n} . As a consequence, we obtain an alternative proof of the classification of Hopf-Galois structures of dihedral type on a dihedral Galois extension.

Cite

@article{arxiv.2607.15917,
  title  = {Bidihedral skew braces},
  author = {Alan Koch and Paul J. Truman},
  journal= {arXiv preprint arXiv:2607.15917},
  year   = {2026}
}

Comments

20 pages