HOD measured in four different magnitude ranges: M_r − 5log₁₀(h) <  − 19.76, −20, −20.5, and −21 in panels a–d, respectively. We show the HOD computed in the field in green, the HOD inside voids in blue, and the HOD in FVSs in red, as indicated in the key. We also show the ratio between the HOD measured in the structures and the HOD in the field at the bottom of each panel. All uncertainties were calculated by the standard jackknife procedure.