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SageMath
E = EllipticCurve("bn1")
E.isogeny_class()
Elliptic curves in class 302330bn
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
302330.bn2 | 302330bn1 | \([1, 1, 1, -89860, -11299835]\) | \(-233953279237800487/24364096000000\) | \(-8356884928000000\) | \([2]\) | \(2396160\) | \(1.7943\) | \(\Gamma_0(N)\)-optimal |
302330.bn1 | 302330bn2 | \([1, 1, 1, -1471940, -687966203]\) | \(1028252875738853529127/9640625000000\) | \(3306734375000000\) | \([2]\) | \(4792320\) | \(2.1409\) |
Rank
sage: E.rank()
The elliptic curves in class 302330bn have rank \(1\).
Complex multiplication
The elliptic curves in class 302330bn do not have complex multiplication.Modular form 302330.2.a.bn
sage: E.q_eigenform(10)
Isogeny matrix
sage: E.isogeny_class().matrix()
The \(i,j\) entry is the smallest degree of a cyclic isogeny between the \(i\)-th and \(j\)-th curve in the isogeny class, in the Cremona numbering.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.