Infrared-to-1.4 GHz radio luminosity ratio (q_TOT) vs. L_1.4 GHz for HLAGN (black crosses). Radio luminosity binned median values of the ratio are shown with red circles with error bars showing 16th and 84th percentiles of the distribution. The dashed magenta line corresponds to the IRRC derived by Delhaize et al. (2017) at the median redshift of the underlying HLAGN sample, along with its 1σ spread of ±0.35 dex. Blue solid lines and area show the median of the star-forming peak q̄_SF,z and 1σ_{q SF,z} uncertainties calibrated on the full radio detected sample of the VLA-COSMOS 3 GHz Large Project sources with the COSMOS2015 counterparts.