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SageMath
E = EllipticCurve("g1")
E.isogeny_class()
Elliptic curves in class 4950g
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
4950.b2 | 4950g1 | \([1, -1, 0, 18, -124]\) | \(185193/1936\) | \(-6534000\) | \([2]\) | \(1280\) | \(-0.011224\) | \(\Gamma_0(N)\)-optimal |
4950.b1 | 4950g2 | \([1, -1, 0, -282, -1624]\) | \(736314327/58564\) | \(197653500\) | \([2]\) | \(2560\) | \(0.33535\) |
Rank
sage: E.rank()
The elliptic curves in class 4950g have rank \(1\).
Complex multiplication
The elliptic curves in class 4950g do not have complex multiplication.Modular form 4950.2.a.g
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.