nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqqmshcslmwan3erj3ulczepe8q8a8xdyfkndnk8fudgtg8ccwg6zqlsl9jz (nprofile…l9jz) nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqt76as6gjr7pzg0taz40e55smjjegmj89ud7g056aqed90hs7cynsacyu7x (nprofile…yu7x) - okay, I read that this paper shows the semidirect product of ℤ/n and its multiplicative group has an outer automorphism that preserves conjugacy classes whenever n is divisible by 8:
G. E. Wall, Finite groups with class-preserving outer automorphisms, J. London Math. Soc. 22 (1947), 315–320.
I read it here:
Peter A. Brooksbank and Matthew S. Mizuhara, On groups with a class-preserving outer automorphism, https://msp.org/involve/2014/7-2/involve-v7-n2-p04-p.pdf
John Carlos Baez /
npub17u…8pd6m
2025-03-15 16:55:33
in reply to nevent1q…u6jm
Author Public Key
npub17u6xav5rjq4d48fpcyy6j05rz2xelp7clnl8ptvpnval9tvmectqp8pd6mPublished at
2025-03-15 16:55:33Event JSON
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