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Dimensionality Theorem


For a finite group of h elements with an n_ith dimensional ith irreducible representation,

 sum_(i)n_i^2=h.

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Cite this as:

Weisstein, Eric W. "Dimensionality Theorem." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/DimensionalityTheorem.html

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