This is a talk in the VaNTAGe seminar series https://sites.google.com/view/vantageseminar. The current topic is Galois representations for abelian varieties. A good survey paper to prepare for this series of talks is: Sutherland's "Sato-Tate distributions" - arXiv:1604.01256 The address for the talk will be posted on the seminar's Canvas page shortly before the talk; https://oregonstate.instructure.com/courses/1769073