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edgarcosta / hilbertmodularforms

Mockup implementation of Hilbert Modular Forms
BSD 3-Clause "New" or "Revised" License
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Implement Igusa invariants using lifts #78

Open jvoight opened 5 years ago

jvoight commented 5 years ago

See Bruinier, "1-2-3 of Modular Forms", combine (3.4) with Theorem 3.35.

jvoight commented 5 years ago

Because the Doi-Naganuma lift respects the action of the Hecke algebra, I think @edgarcosta and @BenKBreen it's easy enough to understand this in terms of the Hecke eigenvalues and splitting behavior of primes in the quadratic extension.