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SageMath
E = EllipticCurve("b1")
E.isogeny_class()
Elliptic curves in class 1288b
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
1288.f2 | 1288b1 | \([0, -1, 0, -28, 84]\) | \(-9826000/3703\) | \(-947968\) | \([2]\) | \(160\) | \(-0.14333\) | \(\Gamma_0(N)\)-optimal |
1288.f1 | 1288b2 | \([0, -1, 0, -488, 4316]\) | \(12576878500/1127\) | \(1154048\) | \([2]\) | \(320\) | \(0.20324\) |
Rank
sage: E.rank()
The elliptic curves in class 1288b have rank \(0\).
Complex multiplication
The elliptic curves in class 1288b do not have complex multiplication.Modular form 1288.2.a.b
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.