Iwahori Spherical Whittaker Functions for Steinberg Representations

Markos Karameris, Ehud Moshe Baruch

Let $G(F)$ be a split reductive group over a $p$-adic field $F$ and let $({\pi }_{St},V)$ be a (generalized) Steinberg representation of $G(F)$. It is known that the space of Iwahori fi…