Modular A5 symmetry for flavour model building

@article{Novichkov2019ModularAS,
  title={Modular A5 symmetry for flavour model building},
  author={Pavel Novichkov and J. T. Penedo and Serguey T. Petcov and Arsenii Titov},
  journal={Journal of High Energy Physics},
  year={2019},
  volume={2019},
  pages={1-34}
}
A bstractIn the framework of the modular symmetry approach to lepton flavour, we consider a class of theories where matter superfields transform in representations of the finite modular group Γ5 ≃ A5. We explicitly construct a basis for the 11 modular forms of weight 2 and level 5. We show how these forms arrange themselves into two triplets and a quintet of A5. We also present multiplets of modular forms of higher weight. Finally, we provide an example of application of our results… 
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