Lepton Mixing Patterns from PSL₂(7) with a Generalized CP Symmetry

Figure 2

The effective mass of neutrinoless double-beta decay against the mass of the lightest neutrino with the best fit data (, ). The bound on from cosmology is taken from Ref. [74]. The constraint on is from Ref. [75]. The best fit data of and is from Ref. [67]. The legends for every pattern are shown in the top left panel. The indexes (, ) are defined in Equation (21). The best fit data (, ) for pattern Ia and that for pattern Ib take the second one in Table 2, respectively.