Department of Mathematical Sciences, Sharif University of Technology, P. O. Box 11365--9415, Tehran, Iran ; Institut de Mathématique Pure et Appliquée, Université Catholique de Louvain, 1348 Louvain-la-Neuve, Belgium
Abstract:
Let be a division algebra of prime degree . A set of criteria is given for cyclicity of in terms of subgroups of the multiplicative group of . It is essentially shown that is cyclic if and only if contains a nonabelian metabelian subgroup.