Distribution of the simulated AGN (i.e. a quiescent galaxy with an additional synthetic nucleus (before subtraction), depicted here as circles) and real AGN host galaxies (open diamonds), in concentration index C versus asymmetry A (left) and in Gini coefficient G versus M₂₀ (right). Tiny open symbols depict ambiguous cases, large open symbols show undisturbed galaxies, large filled symbols are classified as major mergers. With respect to the original galaxy images (the distributions of which are shown in Fig. 9), the distinguishability between different morphological types is degraded.