developed. See also Character theory Real representation Schur orthogonality relations McKay conjecture Burnside ring Literature [1] [2] Fulton, William; Harris, Joe: Representation Theory A First Course. Springer-Verlag, New York 1991, . [3] Alperin, J.L.; Bell, Rowen B.: Groups and Representations Springer-Verlag, New York 1995, . [4] Deitmar, Anton: Automorphe Formen Springer-Verlag 2010, , p. 89-93,185-189 [5] Echterhoff, Siegfried; Deitmar, Anton: Principles of harmonic analysis Springer-Verlag 2009, , p. 127-150 [6] Lang, Serge: Algebra Springer-Verlag, New York 2002, , p. 663-729 [7] References