Kerbala University journal of kerbala university 1813-0410 4 1 2008 01 01 On Artin Cokernel of Dihedral Group Dn When n is an even Number حول النواة المشارك - آرتن لزمرة ثنائي السطوح Dn عندما n عدد زوجي 29 40 50694 EN Hussein Hadi Abbas Journal Article 2008 09 01 In this paper, we find the general form of Artin characters table Ar(Dn), when n is an even number and the cyclic decomposition of Artin Cokernel AC(Dn) , when n is an even number such that ; , are distinct primes for all i =1 ,2 ,3,….,m , 2 , then AC(Dn)= C2 https://kj.uokerbala.edu.iq/article_50694_56d20cc504848631c9248de9a9a20b4a.pdf