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SageMath
E = EllipticCurve("bp1")
E.isogeny_class()
Elliptic curves in class 485520bp
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
485520.bp2 | 485520bp1 | \([0, -1, 0, 14308464, 86020784640]\) | \(16098893047132187167/168182866341984375\) | \(-3384452801897141184000000\) | \([2]\) | \(64880640\) | \(3.3878\) | \(\Gamma_0(N)\)-optimal* |
485520.bp1 | 485520bp2 | \([0, -1, 0, -226611456, 1219500824256]\) | \(63953244990201015504593/5088175635498046875\) | \(102392655450939000000000000\) | \([2]\) | \(129761280\) | \(3.7344\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 485520bp have rank \(1\).
Complex multiplication
The elliptic curves in class 485520bp do not have complex multiplication.Modular form 485520.2.a.bp
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.