1 Introduction  
2 Preliminaries  
3 Weight Two Newforms  
4 Higher Weight Newforms  
4.1 The Conjectures of Rodriguez Villegas  
4.2 Conjectures of Evans  
4.3 Relations with Ramanujan’s τ-function  
4.4 Other Relations  
5 Trace Formulas for Hecke Operators  
6 New Relations