no. 1
Discrete series and the unipotent subgroup
Compositio Mathematica, Tome 28 (1974) no. 1, pp. 9-19 
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Lehrer, G. I. Discrete series and the unipotent subgroup. Compositio Mathematica, Tome 28 (1974) no. 1, pp. 9-19. https://www.numdam.org/item/CM_1974__28_1_9_0/

[1] V. Ennola: On the characters of the finite unitary groups. Ann. Acad. Sci. Fenn, 323 (1963) 1-23. | Zbl | MR

[2] J.A. Green: The characters of the finite general linear groups. Trans. Amer. Math. Soc., 80 (1955) 402-407. | Zbl | MR

[3] G.I. Lehrer: Discrete series and regular unipotent elements. J. Lond. Math. Soc. (2) 6 (1973) 732-736. | Zbl | MR

[4] G.I. Lehrer: The characters of the finite special linear groups. J. Alg. 26 (1973) 564-583. | Zbl | MR

[5] G.I. Lehrer: On the discrete series characters of linear groups, Thesis, University of Warwick (1971).

[6] G.W. Mackey: Infinite dimensional group representations. Bull. Amer. Math. Soc., 69 (1963) 628-686. | Zbl | MR

[7] J -P. SERRE: Représentations linéaires des groupes finis, Hermann, Paris (1967). | Zbl | MR

[8] T.A. Springer: Cusp Forms for finite groups. In : A. Borel et al, Seminar on algebraic groups and related finite forms, Springer Lecture Notes in Mathematics. 131, (1970) C1-C24. | Zbl | MR

[9] G. Van Dijk and P.V. Lambert: The irreducible unitary representations of the group of triangular matrices; Preprint (1973). | Zbl | MR