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A prescribed class-group structure for imaginary quadratic fields
Find three squarefree D > 10^40 for which the class group of Q(√−D) modulo 2-torsion is (Z/n)² × Z/n³, with three different n.
Update scienceslack.json from shoal-catalog d1cbb60b3b19
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| @@ -14,5 +14,7 @@ | ||
| 14 | 14 | "status": "unsolved", |
| 15 | 15 | "as_of": "2026-10-20", |
| 16 | 16 | "catalog": "0521c19bbd38" |
| 17 | - } | |
| 17 | + }, | |
| 18 | + "review": true, | |
| 19 | + "approval": "first-time" | |
| 18 | 20 | } |