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SageMath
E = EllipticCurve("bh1")
E.isogeny_class()
Elliptic curves in class 89930.bh
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
89930.bh1 | 89930bg2 | \([1, 0, 0, -3513100, 2615874832]\) | \(-32391289681150609/1228250000000\) | \(-181825080664250000000\) | \([]\) | \(2993760\) | \(2.6575\) | |
89930.bh2 | 89930bg1 | \([1, 0, 0, 211060, 11603600]\) | \(7023836099951/4456448000\) | \(-659714241462272000\) | \([]\) | \(997920\) | \(2.1082\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 89930.bh have rank \(1\).
Complex multiplication
The elliptic curves in class 89930.bh do not have complex multiplication.Modular form 89930.2.a.bh
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 LMFDB numbering.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.