Treffer: A note on minimal coverings of groups by subgroups

Title:
A note on minimal coverings of groups by subgroups
Source:
Journal of the Australian Mathematical Society. 71:159-168
Publisher Information:
Cambridge University Press (CUP), 2001.
Publication Year:
2001
Document Type:
Fachzeitschrift Article
File Description:
application/xml
Language:
English
ISSN:
1446-8107
1446-7887
DOI:
10.1017/s1446788700002809
Rights:
Cambridge Core User Agreement
Accession Number:
edsair.doi.dedup.....b04bb38c4d44c6b49aa4f778f3eeb5f3
Database:
OpenAIRE

Weitere Informationen

Acoverfor a group is a finite set of subgroups whose union is the whole group. A cover isminimalif its cardinality is minimal. Minimal covers of finite soluble groups are categorised; in particular all but at most one of their members are maximal subgroups. A characterisation is given of groups with minimal covers consisting of abelian subgroups.