Table 3: Environmental properties for AGNs and control samples of normal galaxies with the same distribution in the galaxy diameter. The number (N) of galaxies with at least one companion within 100 kpc, the fraction (f) of galaxies with the associated errors ($\sigma $)
Neighbours Sy1 Early Sy1 Late Sy1
  N f (%) $\sigma $ N f (%) $\sigma $ N f (%) $\sigma $
all 82 11.0 1.0 69 13.0 2.0 5 7.0 3.0
$N_{\rm neigh} = 1$ 10 1.4 0.4 7 1.3 0.5 0 0.0 -
$N_{\rm neigh} = 2$ 6 0.8 0.3 4 0.7 0.3 0 0.0 -
3 $\le N_{\rm neigh} \le10$ 53 7.0 1.0 47 9.0 1.0 4 6.0 3.0
11 $\le N_{\rm neigh} \le20$ 10 1.4 0.4 9 1.6 0.5 1 1.0 1.0
21 $\le N_{\rm neigh} \le30$ 3 0.4 0.2 2 0.4 0.2 0 0.0 -
$N_{\rm neigh} > 30$ 0 0.0 - 0 0.0 - 0 0.0 -
Neighbours Sy2 Early Sy2 Late Sy2
  N f (%) $\sigma $ N f (%) $\sigma $ N f (%) $\sigma $
all 101 9.1 0.9 35 12.0 2.0 52 8.0 1.0
$N_{\rm neigh} = 1$ 21 1.9 0.4 6 2.0 0.8 11 1.7 0.5
$N_{\rm neigh} = 2$ 20 1.8 0.4 3 1.0 0.5 15 2.4 0.6
3 $\le N_{\rm neigh} \le10$ 48 4.3 0.6 20 7.0 2.0 22 3.5 0.7
11 $\le N_{\rm neigh} \le20$ 7 0.6 0.2 2 0.6 0.4 3 0.5 0.3
21 $\le N_{\rm neigh} \le30$ 5 0.4 0.2 4 1.3 0.6 1 0.1 0.1
$N_{\rm neigh} > 30$ 0 0.0 - 0 0.0 - 0 0.0 -
Neighbours PGs (early) UELGs (late) SFGs (late)
  N f (%) $\sigma $ N f (%) $\sigma $ N f (%) $\sigma $
all 1126 13.8 0.4 383 5.5  0.2 357 7.4  0.4
$N_{\rm neigh} = 1$ 84 1.0 0.1 57 0.8  0.1 102 2.1  0.2
$N_{\rm neigh} = 2$ 95 1.2 0.1 51 0.7  0.1 81 1.7  0.2
3 $\le N_{\rm neigh} \le10$ 539 6.6 0.3 224 3.2  0.2 139 2.9  0.2
11 $\le N_{\rm neigh} \le20$ 244 3.0 0.2 39 0.6  0.1 31 0.6  0.1
21 $\le N_{\rm neigh} \le30$ 117 1.4 0.1 10 0.10 0.04 1 0.02 0.02
$N_{\rm neigh} > 30$ 47 0.5 0.1 2 0.03 0.02 3 0.06 0.03


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