Mathematical Journal of Okayama University volume68 issue1
2026-01 発行
Komatsu, Toru
Department of Mathematics Faculty of Science and Technology Tokyo University of Science
In this paper we present an algorithm to make a generator of the quadratic subextension of an odd dihedral extension. As an application we solve the Galois group problem for the quintic polynomials given by Kishi and Yamada.
Mathematics Subject Classification. Primary 11R32; Secondary 11R09,11R11.