Some properties of various graphs associated with finite groups
Abstract
In this paper we investigate some properties of the power graph and commuting graph associated with a finite group, using their tree-numbers. Among other things, it is shown that the simple group \(L_2(7)\) can be characterized through the tree-number of its power graph. Moreover, the classification of groups with power-free decomposition is presented. Finally, we obtain an explicit formula concerning the tree-number of commuting graphs associated with the Suzuki simple groups.
Keywords
power graph, commuting graph, tree-number, simple group
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PDFDOI: http://dx.doi.org/10.12958/adm1197
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