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A note on Minimal Coverings of Groups by Subgroups

Bryce, Robert; Serena, L


A cover for a group is a finite set of subgroups whose union is the whole group. A cover is minimal if 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.

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
Source: Journal of the Australian Mathematical Society


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