Scalar and gauge sectors in the 3-Higgs Doublet Model under the symmetryM. Gómez-Bock, M. Mondragón and A. Pérez-MartínezEur. Phys. J. C, 81 10 (2021) 942DOI: https://doi.org/10.1140/epjc/s10052-021-09731-3