Abstract
Ballester-Bolinches and Guo showed that a finite group G is 2-nilpotent if G satisfies: (1) a Sylow 2-subgroup P of G is quaternion-free and (2) Ω1(P ∩ G′) ≤ Z(P) and N G (P) is 2-nilpotent. In this paper, it is obtained that G is a non-2-nilpotent group of order 16q for an odd prime q satisfying (1) a Sylow 2-subgroup P of G is not quaternion-free and (2) Ω1(P ∩ G′) ≤ Z(P) and N G (P) is 2-nilpotent if and only if q = 3 and G ≅ GL 2(3).
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References
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Acknowledgements
The first author was supported by the NSFC (Grant No. 11201401) and China Postdoctoral Science Foundation (Grant No. 201104027). The second author was supported by NSFC (Grant No. 11201403) and “Agencija za raziskovalno dejavnost Republike Slovenije”, research program P1-0285.
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SHI, J., ZHANG, C. A note on 2-nilpotence of finite groups. Proc Math Sci 123, 235–238 (2013). https://doi.org/10.1007/s12044-013-0122-y
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DOI: https://doi.org/10.1007/s12044-013-0122-y