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SageMath
E = EllipticCurve("bs1")
E.isogeny_class()
Elliptic curves in class 221760.bs
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
221760.bs1 | 221760nx1 | \([0, 0, 0, -151308, 22649328]\) | \(74246873427/16940\) | \(87406679162880\) | \([2]\) | \(1179648\) | \(1.6669\) | \(\Gamma_0(N)\)-optimal |
221760.bs2 | 221760nx2 | \([0, 0, 0, -134028, 28019952]\) | \(-51603494067/35870450\) | \(-185083643127398400\) | \([2]\) | \(2359296\) | \(2.0135\) |
Rank
sage: E.rank()
The elliptic curves in class 221760.bs have rank \(1\).
Complex multiplication
The elliptic curves in class 221760.bs do not have complex multiplication.Modular form 221760.2.a.bs
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.