2010 | OriginalPaper | Chapter
Class Invariants by the CRT Method
Authors : Andreas Enge, Andrew V. Sutherland
Published in: Algorithmic Number Theory
Publisher: Springer Berlin Heidelberg
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We adapt the CRT approach for computing Hilbert class polynomials to handle a wide range of class invariants. For suitable discriminants
D
, this improves its performance by a large constant factor, more than 200 in the most favourable circumstances. This has enabled record-breaking constructions of elliptic curves via the CM method, including examples with |
D
| > 10
15
.