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D.12.2.11 HilbertClassPoly

Procedure from library atkins.lib (see atkins_lib).

Return:
the monic polynomial of degree h(D) in Z[X] of which jOft((D+sqr(D))/2) is a root

Assume:
D is a negative discriminant

Note:
k is input for the procedure "jOft",
5*k is input for the procedure "sqr",
10*k describes the number of decimals being calculated in the complex numbers

Example:
 


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            User manual for Singular version 3-1-6, Dec 2012, generated by texi2html.