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SageMath
E = EllipticCurve("h1")
E.isogeny_class()
Elliptic curves in class 73920.h
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
73920.h1 | 73920a2 | \([0, -1, 0, -2161, -2159]\) | \(68150496976/39220335\) | \(642585968640\) | \([2]\) | \(110592\) | \(0.95532\) | |
73920.h2 | 73920a1 | \([0, -1, 0, 539, -539]\) | \(16880451584/9823275\) | \(-10059033600\) | \([2]\) | \(55296\) | \(0.60875\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 73920.h have rank \(1\).
Complex multiplication
The elliptic curves in class 73920.h do not have complex multiplication.Modular form 73920.2.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.