Degrees of irreducible characters of (𝐵,𝑁)-pairs of types 𝐸₆ and 𝐸₇

Surowski, David B.

doi:10.1090/S0002-9947-1978-0502905-2

Degrees of irreducible characters of $(B, N)$-pairs of types $E_{6}$ and $E_{7}$
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by David B. Surowski

Trans. Amer. Math. Soc. 243 (1978), 235-249

DOI: https://doi.org/10.1090/S0002-9947-1978-0502905-2

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Abstract:

Let G be a finite (B, N)-pair whose Coxeter system is of type ${E_6}$ or ${E_7}$. Let $1_B^G$ be the permutation character of the action of G on the left cosets of the Borel subgroup B in G. In this paper we give the character degrees of the irreducible constituents of $1_B^G$.

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