NGC 4698
NGC 4698 is classified as a Seyfert-2 galaxy with an active galactic nucleus , which displays a prominent emission of radio and X-ray energy from the core while showing narrow emission lines in the optical spectrum . 
<triplet> NGC 4698 <subj> Seyfert-2 galaxy <obj> instance of <triplet> Seyfert-2 galaxy <subj> active galactic nucleus <obj> subclass of