Timeline for Primes of the form $x^2+ny^2$ and congruences.

13 events

when toggle format	what		by	license	comment
Jul 15, 2023 at 1:23	history	edited	Will Jagy	CC BY-SA 4.0	added 3 characters in body
Feb 17, 2023 at 18:21	history	edited	darij grinberg	CC BY-SA 4.0	added 43 characters in body
Oct 28, 2011 at 14:17	vote	accept	Joël
Oct 28, 2011 at 6:57	comment	added	Kevin Buzzard		IIRC the case $n=32$ is explicitly treated in Ireland-Rosen, as well as in Cox. But Joel -- you should buy Cox! It's a wonderful reference as well as being a great source for e.g. undergraduate and masters level projects, and very well-written.
Oct 28, 2011 at 4:36	comment	added	Will Jagy		Note that there are no solutions $z$ with $p \equiv 3 \pmod 4,$ and exactly two solutions (not four) with $p \equiv 5 \pmod 8,$ so the complete factorization $\pmod p$ is two linear terms times a quadratic.
Oct 28, 2011 at 4:22	history	edited	Will Jagy	CC BY-SA 3.0	added 180 characters in body
Oct 28, 2011 at 4:14	history	edited	Will Jagy	CC BY-SA 3.0	added 10 characters in body
Oct 28, 2011 at 3:40	history	edited	Will Jagy	CC BY-SA 3.0	added 424 characters in body
Oct 28, 2011 at 3:12	history	edited	Will Jagy	CC BY-SA 3.0	added 337 characters in body
Oct 28, 2011 at 2:56	history	edited	Will Jagy	CC BY-SA 3.0	added 443 characters in body
Oct 28, 2011 at 2:33	comment	added	Chandan Singh Dalawat		Depending on what you mean by 32. Nice phrase.
Oct 28, 2011 at 2:22	history	edited	Will Jagy	CC BY-SA 3.0	added 378 characters in body
Oct 28, 2011 at 2:16	history	answered	Will Jagy	CC BY-SA 3.0