1Department of Mathematics, IIT, Delhi-110016, India
2Department of Mathematics, M.D. University, Rohtak-124001, India
AMS Mathematical Subject Classification (2000): 11T71, 11G25, 22D20.
Explicit expressions for pair-wise orthogonal idempotents in FG, the semi simple group algebra of the abelian group G of order n over the finite field F = GF(q) of prime power order with q = nλ+1are obtained.
Group algebra, finite fields, orthogonal idempotents
