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SageMath
E = EllipticCurve("bb1")
E.isogeny_class()
Elliptic curves in class 174240.bb
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 174240.bb1 | 174240y2 | \([0, 0, 0, -4601388, 3621853312]\) | \(2036792051776/107421875\) | \(568245906360000000000\) | \([2]\) | \(5529600\) | \(2.7394\) | |
| 174240.bb2 | 174240y1 | \([0, 0, 0, -4541493, 3725160208]\) | \(125330290485184/378125\) | \(31253524849800000\) | \([2]\) | \(2764800\) | \(2.3928\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 174240.bb have rank \(0\).
Complex multiplication
The elliptic curves in class 174240.bb do not have complex multiplication.Modular form 174240.2.a.bb
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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.
