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D.4.28.3 primRoot
Procedure from librarysymodstd.lib (see symodstd_lib).
- Usage:
- primRoot(p,k); p,k integers
- Assume:
- p is a prime and k divides p-1.
- Return:
- int: a k-th primitive root of unity in Z/pZ
LIB "symodstd.lib"; primRoot(181,10); ==> 56 ring R = 2147482801, x, lp; number a = primRoot(2147482801,5); a; ==> -159774741 a^2; ==> 140354890 a^3; ==> 260989846 a^4; ==> -241569996 a^5; ==> 1 |