A Question of R. Maier Concerning Formations

✍ Scribed by A. Ballester-Bolinches; M.D. Pérez-Ramos

• Publisher: Elsevier Science
• Year: 1996
• Tongue: English
• Weight: 160 KB
• Volume: 182
• Category: Article
• ISSN: 0021-8693
• DOI: 10.1006/jabr.1996.0198

✦ Synopsis

Throughout the paper we consider only finite groups. A formation is a class ᒃ of groups with the following properties:

i Every homomorphic image of an ᒃ-group is an ᒃ-group.

Ž . Ž . ii If GrM and GrN are ᒃ-groups, then also Gr M l N belongs to ᒃ.