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SageMath
E = EllipticCurve("l1")
E.isogeny_class()
Elliptic curves in class 16576.l
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
16576.l1 | 16576n1 | \([0, 0, 0, -40, -72]\) | \(6912000/1813\) | \(1856512\) | \([2]\) | \(1792\) | \(-0.088339\) | \(\Gamma_0(N)\)-optimal |
16576.l2 | 16576n2 | \([0, 0, 0, 100, -464]\) | \(6750000/9583\) | \(-157007872\) | \([2]\) | \(3584\) | \(0.25823\) |
Rank
sage: E.rank()
The elliptic curves in class 16576.l have rank \(0\).
Complex multiplication
The elliptic curves in class 16576.l do not have complex multiplication.Modular form 16576.2.a.l
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.