KASH3 Ref - RootOfUnity

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| ### Function RootOfUnity ( elt-ord^rat n, fld^fin K ) -> elt-fld^fin ### Optional Arguments
Optimize | elt-alg^boo |  |
Default | elt-alg^boo |  |
Sparse | elt-alg^boo |  |
### Description A primitive n-th root of unity in the smallest possible extension field of K. ### Examples x_K := FiniteField(5); x_R2 := RootOfUnity(2, x_K); Parent(x_R2); x_R3 := RootOfUnity(3, x_K); Parent(x_R3);
| Built: Mon Nov 14 21:12:39 UTC 2005 on mack