Dual Ore conjecture for distributive intervals of finite groups

From papers

Let [H,G][H,G] be an interval of finite groups. For a complex representation WW of GG and a subgroup KK, write

WK:={wWkw=w for all kK}W^{K}:=\{w\in W\mid kw=w\text{ for all }k\in K\}

and, for a subspace XX of WW, write

G(X):={gGgx=x for all xX}.G_{(X)}:=\{g\in G\mid gx=x\text{ for all }x\in X\}.

An interval [H,G][H,G] is linearly primitive if there is an irreducible complex representation VV of GG such that G(VH)=HG_{(V^H)}=H.

Dual Ore conjecture. Every distributive interval [H,G][H,G] of finite groups is linearly primitive; equivalently, there exists an irreducible complex representation VV of GG such that

G(VH)=H.G_{(V^H)}=H.

This is the proposed dual version of Ore's theorem, which characterizes finite groups with distributive subgroup lattices as cyclic. The paper proves the assertion for distributive intervals of index less than 97209720 and for boolean intervals of rank less than 77; the general statement remains open in the supplied source.

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Primary source

Sebastien Palcoux, “Dual Ore's theorem for distributive intervals of small index”, arXiv:1610.07253 (2016).

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