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Questions
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Is there a characterization of groups in which at least one subgroup is not an endomorphism kernel?

jan 25 at 20:10 Alireza Abdollahi 1,197●3●9

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An extension of the converse to Hall’s theorem.

jan 25 at 18:13 Alexander Gruber 448●1●10

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Interplay between two definitions of the transfer homomorphism.

aug 4 at 23:58 Chris Gerig 5,526●1●12●40

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Character theory of $2$-Frobenius groups.

oct 21 at 22:10 Alexander Gruber 448●1●10

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How do I determine the smallest dimension of an irreducible $\mathbb{F}_p[G]$-module with a prescribed trivial fixed point space?

nov 14 at 15:56 Alexander Gruber 448●1●10

 
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What is a “non-splitting covering” of a finite group?

aug 22 at 21:46 Geoff Robinson 9,806●1●21●27