Timeline for For which finite groups $G$ is every character a virtual permutation character?
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
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| Apr 11, 2020 at 7:14 | comment | added | Joshua Grochow | Certainly doesn't answer the question, but seems at least tangentially relevant: all modular representations are a direct summand of a module that admits a finite resolution by permutation modules arxiv.org/abs/2003.04373. | |
| May 9, 2019 at 22:06 | vote | accept | Henri Johnston | ||
| May 9, 2019 at 15:03 | answer | added | Alex B. | timeline score: 10 | |
| Jul 28, 2016 at 20:59 | comment | added | Mark Wildon | A quick search by computer algebra found some further examples: the dihedral group of order $8$, and the split extension of $\langle x, y \rangle \cong C_3 \times C_3$ by a fixed-point-free automorphism $t$ of order $2$, acting as $x^t = x^2$, $y^t = y^2$. | |
| Jul 28, 2016 at 13:52 | history | asked | Henri Johnston | CC BY-SA 3.0 |