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S. Bera (Line graph characterization of power graphs of finite nilpotentgroups, \textit{Communication in Algebra}, 50(11), 4652-4668, 2022)characterized finite nilpotent groups whose power graphs and proper powergraphs are line graphs. In this paper, we extend the results of above mentionedpaper to arbitrary finite groups. Also, we correct the corresponding result ofthe proper power graphs of dihedral groups. Moreover, we classify all thefinite groups whose enhanced power graphs are line graphs. We classify all thefinite nilpotent groups (except non-abelian $2$-groups) whose proper enhancedpower graphs are line graphs of some graphs. Finally, we determine all thefinite groups whose power graphs, proper power graphs, enhanced power graphsand proper enhanced power graphs are the complement of line graphs,respectively.

On Finite groups whose power graphs are line graphs