Mathematica > Mathematics and Algorithms > Number Theory > Algebraic Number Theory > RootOfUnityQ
Mathematica > Mathematics and Algorithms > Mathematical Functions > Number Theoretic Functions > Algebraic Number Theory > RootOfUnityQ
BUILT-IN MATHEMATICA SYMBOL

RootOfUnityQ

RootOfUnityQ[a]
yields True if a is a root of unity, and yields False otherwise.

DetailsDetails

  • An algebraic number a is a root of unity if for some integer n.
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