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A realistic pattern of lepton mixing and masses from $$S_4$$ S 4 and CP
We present a supersymmetric model with the flavour symmetry $$S_4 \times Z_3$$ and a CP symmetry which are broken to a $$Z_3$$ subgroup of the flavour symmetry in the charged lepton sector and to $$Z_2 \times $$ CP ( $$\times Z_3$$ ) in the neutrino one at leading order. This …