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SageMath
E = EllipticCurve("ci1")
E.isogeny_class()
Elliptic curves in class 324870ci
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
324870.ci4 | 324870ci1 | \([1, 0, 1, -37903, 14918978]\) | \(-51184652297689/788010612480\) | \(-92708660547659520\) | \([2]\) | \(4325376\) | \(1.9370\) | \(\Gamma_0(N)\)-optimal |
324870.ci3 | 324870ci2 | \([1, 0, 1, -1170783, 485743906]\) | \(1508565467598193369/6280737699600\) | \(738922509620240400\) | \([2, 2]\) | \(8650752\) | \(2.2836\) | |
324870.ci1 | 324870ci3 | \([1, 0, 1, -18713763, 31157890138]\) | \(6160540455434488353049/107450752500\) | \(12641473580872500\) | \([2]\) | \(17301504\) | \(2.6302\) | |
324870.ci2 | 324870ci4 | \([1, 0, 1, -1753883, -49075414]\) | \(5071506329733538969/2926108608384780\) | \(344253751667860982220\) | \([2]\) | \(17301504\) | \(2.6302\) |
Rank
sage: E.rank()
The elliptic curves in class 324870ci have rank \(2\).
Complex multiplication
The elliptic curves in class 324870ci do not have complex multiplication.Modular form 324870.2.a.ci
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.