jaj•a•person's notes

Tag: m/thm/rep

See Representation.

31 items with this tag.

∗-representation of the complex group ring
1-dimensional irreps of a finite symmetric group
Abelian representation
Centre of a character
Character irreducibility criterion
Characters of a finite symmetric group are real
Convolution of group characters
Convolution of matrix representations
Equivalence of irreps on left ideals criterion
Every irrep of GLₙ(ℂ) is an irrep of U(n) and SU(n)
Finite group character values
Idempotent of the complex group ring
Idempotent primitivity criterion
Irreducible character as function of an idempotent
Irreducible orthonormal basis
Irreps collectively distinguish group elements
Irreps of abelian groups are 1-dimensional
Irreps of SO(3)
Isomorphism between the complex group ring and direct sum of matrix algebras on carriers of irreducible representations
Maschke's theorem
Module over a category ring
Orthonormality of irreducible characters
Orthonormality of irreps
Representation of a finite group
Schur's lemma
Square sum of irrep dimensions
Tensor product with a 1-dimensional representation
The regular representation contains all irreducible representations
Trivial and alternating characters of a finite symmetric group in tensor product decomposition
Wigner-Eckart theorem
Young operator

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