Mathematical Research Letters

Volume 8 (2001)

Number 4

On Galois Representations via Siegel Modular Forms of Genus Two

Pages: 577 – 588



Michael Dettweiler

Ulf Kühn

Stefan Reiter


We study 4-dimensional Galois representations attached to Siegel modular forms. In some cases we determine the images of the absolute Galois group. This yields Galois realizations over ${\Bbb Q}$ for projective symplectic groups.

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