[seqfan] Re: Generally known (to those who know of such things)
N. J. A. Sloane
njas at research.att.com
Mon Nov 23 01:27:23 CET 2009
> It isn't at all obvious to me why this should be called a "class
number"; what are the classes being numbered?
Class numbers are part of classical num ber theory. Don't
go to the web, go to the library and look at any book
on number theory. E.g. Borevich and Sharevich, "Number Theory",
or Edwards, "Fermat's Last Theorem", to pick two at random!
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