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SageMath
E = EllipticCurve("ed1")
E.isogeny_class()
Elliptic curves in class 73920.ed
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
73920.ed1 | 73920bw2 | \([0, -1, 0, -3365, -74025]\) | \(-65860951343104/3493875\) | \(-223608000\) | \([]\) | \(62208\) | \(0.66992\) | |
73920.ed2 | 73920bw1 | \([0, -1, 0, -5, -273]\) | \(-262144/509355\) | \(-32598720\) | \([]\) | \(20736\) | \(0.12062\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 73920.ed have rank \(0\).
Complex multiplication
The elliptic curves in class 73920.ed do not have complex multiplication.Modular form 73920.2.a.ed
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.