词条 | Induced character |
释义 |
In mathematics, an induced character is the character of the representation V of a finite group G induced from a representation W of a subgroup H ≤ G. More generally, there is also a notion of induction of a class function f on H given by the formula If f is a character of the representation W of H, then this formula for calculates the character of the induced representation V of G.[1] The basic result on induced characters is Brauer's theorem on induced characters. It states that every irreducible character on G is a linear combination with integer coefficients of characters induced from elementary subgroups. References1. ^{{citation | last = Serre | first = Jean-Pierre | author-link = Jean-Pierre Serre | isbn = 0-387-90190-6 | location = New York | mr = 0450380 | at = 7.2, Proposition 20 | publisher = Springer-Verlag | title = Linear Representations of Finite Groups | year = 1977}}. Translated from the second French edition by Leonard L. Scott. {{algebra-stub}} 1 : Group theory |
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