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SageMath
E = EllipticCurve("f1")
E.isogeny_class()
Elliptic curves in class 7245f
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
7245.r1 | 7245f1 | \([1, -1, 0, -4149, -99232]\) | \(292583028222603/8456021875\) | \(228312590625\) | \([2]\) | \(8640\) | \(0.95743\) | \(\Gamma_0(N)\)-optimal |
7245.r2 | 7245f2 | \([1, -1, 0, 996, -332815]\) | \(4044759171237/1771943359375\) | \(-47842470703125\) | \([2]\) | \(17280\) | \(1.3040\) |
Rank
sage: E.rank()
The elliptic curves in class 7245f have rank \(0\).
Complex multiplication
The elliptic curves in class 7245f do not have complex multiplication.Modular form 7245.2.a.f
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 Cremona 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 Cremona labels.