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SageMath
E = EllipticCurve("x1")
E.isogeny_class()
Elliptic curves in class 256025x
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
256025.x2 | 256025x1 | \([1, 0, 1, -7376, 192273]\) | \(24137569/5225\) | \(9604937890625\) | \([2]\) | \(552960\) | \(1.2051\) | \(\Gamma_0(N)\)-optimal |
256025.x1 | 256025x2 | \([1, 0, 1, -38001, -2686477]\) | \(3301293169/218405\) | \(401486403828125\) | \([2]\) | \(1105920\) | \(1.5516\) |
Rank
sage: E.rank()
The elliptic curves in class 256025x have rank \(1\).
Complex multiplication
The elliptic curves in class 256025x do not have complex multiplication.Modular form 256025.2.a.x
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.