Aspects of Hecke Symmetry: Anomalies, Curves, and Chazy Equations

Sujay K. Ashok, Dileep P. Jatkar, Madhusudhan Raman

We study various relations governing quasi-automorphic forms associated to discrete subgroups of $\mathrm{SL}(2,\mathbb{R})$ called Hecke groups. We show that the Eisenstein series a…