Abstract
Let G be a finite group with a normal subgroup N such that CG(N) ⩽ N. It is shown that under some conditions, Coleman automorphisms of G are inner. Interest in such automorphisms arose from the study of the normalizer problem for integral group rings.
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The work was partially supported by the National Natural Science Foundation of China (Grant No. 11871292).
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Hai, J. Coleman Automorphisms of Finite Groups with a Self-Centralizing Normal Subgroup. Czech Math J 70, 1197–1204 (2020). https://doi.org/10.21136/CMJ.2020.0423-19
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DOI: https://doi.org/10.21136/CMJ.2020.0423-19