3 code implementations • 1 Jul 2013 • Florian Bouyer, Marco Streng
The generic case of non-Galois quartic CM-fields did not feature in this list, as the field of definition in that case always contains a real quadratic field, known as the real quadratic subfield of the reflex field.
Number Theory 11G15, 14K22
2 code implementations • 15 Feb 2013 • Gaetan Bisson, Marco Streng
We give an explicit necessary condition for pairs of orders in a quartic CM-field to have the same polarised class group.
Number Theory 11R65, 11G15
2 code implementations • 9 Jun 2011 • Reinier Broker, Kristin Lauter, Marco Streng
We make the classification explicit in the simplest case $l=2$.
Algebraic Geometry Number Theory 14J10
