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Table 4

Environmental properties of different types of AGN in the luminosity-density field of LRGs at distances from 225 h-1 Mpc to 565 h-1 Mpc.

Type N Average density Void (%) Filament (%) Supercluster (%)

Radio-quiet quasars 411 1.65 ± 0.07 36 52 12
Seyfert 1 galaxies 625 1.74 ± 0.05 33 53 14
Seyfert 2 galaxies 1701 1.62 ± 0.03 35 53 12
BL Lac objects 17 2.2 ± 0.5 24 53 24
Flat-spectrum radio galaxies 189 2.19 ± 0.09 14 65 21
FR I radio galaxies 174 2.3 ± 0.2 17 57 26

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