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SageMath
E = EllipticCurve("qf1")
E.isogeny_class()
Elliptic curves in class 418950qf
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
418950.qf2 | 418950qf1 | \([1, -1, 1, -16052630, -24864857503]\) | \(-341370886042369/1817528220\) | \(-2435661644334915937500\) | \([2]\) | \(38707200\) | \(2.9485\) | \(\Gamma_0(N)\)-optimal* |
418950.qf1 | 418950qf2 | \([1, -1, 1, -257169380, -1587301397503]\) | \(1403607530712116449/39475350\) | \(52900744447146093750\) | \([2]\) | \(77414400\) | \(3.2951\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 418950qf have rank \(0\).
Complex multiplication
The elliptic curves in class 418950qf do not have complex multiplication.Modular form 418950.2.a.qf
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.