|
| |
|
|
A046009
|
|
Discriminants of imaginary quadratic fields with class number 12 (negated).
|
|
1
| |
|
|
231, 255, 327, 356, 440, 516, 543, 655, 680, 687, 696, 728, 731, 744, 755, 804, 888, 932, 948, 964, 984, 996, 1011, 1067, 1096, 1144, 1208, 1235, 1236, 1255, 1272, 1336, 1355, 1371, 1419, 1464, 1480, 1491, 1515, 1547, 1572, 1668, 1720, 1732
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
REFERENCES
| Buell, D. A. ``Small Class Numbers and Extreme Values of L-Functions of Quadratic Fields.'' Math. Comput. 139, 786-796, 1977.
Wagner, C. ``Class Number 5, 6 and 7.'' Math. Comput. 65, 785-800, 1996.
|
|
|
LINKS
| S. Arno, M. L. Robinson and F. S. Wheller, Imaginary Quadratic Fields with Small Odd Class Number
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Index entries for sequences related to quadratic fields
|
|
|
CROSSREFS
| Cf. A006203, A013658, A014602, A014603, A046002-A046020.
Sequence in context: A156742 A031965 A088289 * A117223 A160355 A183672
Adjacent sequences: A046006 A046007 A046008 * A046010 A046011 A046012
|
|
|
KEYWORD
| nonn,fini
|
|
|
AUTHOR
| Eric Weisstein (eric(AT)weisstein.com)
|
|
|
EXTENSIONS
| 206 discriminants in this sequence (almost certainly but not proved).
|
| |
|
|
