Orbifold Modular GUT of Flavour

Francisco J. de Anda, Stephen F. King

We discuss an $SU(5)$ Grand Unified Theory (GUT) based on the 10d orbifold $({\mathbb{T}}^2{)}^3/({\mathbb{Z}}_4\times {\mathbb{Z}}_2)$ plus three modular $S_4$ groups with moduli at respec…