

A351679


Discriminants of imaginary quadratic fields with class number 41 (negated).


0



1151, 2551, 2719, 3079, 3319, 3511, 6143, 9319, 9467, 10499, 10903, 11047, 11483, 11719, 11987, 12227, 12611, 13567, 14051, 14411, 14887, 14983, 16067, 16187, 19763, 20407, 20771, 21487, 22651, 24971, 25171, 26891, 26987, 27739, 28547, 29059, 29251, 30859
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OFFSET

1,1


COMMENTS

Sequence contains 109 terms; largest is 296587.
The class group of Q[sqrt(d)] is isomorphic to C_41 for all d in this sequence.


LINKS

Table of n, a(n) for n=1..38.
Eric Weisstein's World of Mathematics, Class Number


PROG

(Sage)
ls = [(QuadraticField(n, 'a').discriminant(), QuadraticField(n, 'a').class_number()) for n in (0..10000) if is_fundamental_discriminant(n) and not is_square(n)];
[a[0] for a in ls if a[1] == 41]


CROSSREFS

Cf. A006203, A013658, A014602, A014603, A046002A046020, A046125, A056987, A351664A351666.
Sequence in context: A179036 A179037 A098976 * A154374 A114046 A035888
Adjacent sequences: A351676 A351677 A351678 * A351680 A351681 A351682


KEYWORD

nonn,fini


AUTHOR

Andy Huchala, Mar 28 2022


STATUS

approved



