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SageMath
E = EllipticCurve("h1")
E.isogeny_class()
Elliptic curves in class 121380.h
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 121380.h1 | 121380i1 | \([0, -1, 0, -1541, 9066]\) | \(1048576/525\) | \(202755579600\) | \([2]\) | \(122880\) | \(0.86239\) | \(\Gamma_0(N)\)-optimal |
| 121380.h2 | 121380i2 | \([0, -1, 0, 5684, 63976]\) | \(3286064/2205\) | \(-13625174949120\) | \([2]\) | \(245760\) | \(1.2090\) |
Rank
sage: E.rank()
The elliptic curves in class 121380.h have rank \(1\).
Complex multiplication
The elliptic curves in class 121380.h do not have complex multiplication.Modular form 121380.2.a.h
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.
