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SageMath
E = EllipticCurve("g1")
E.isogeny_class()
Elliptic curves in class 41262g
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
41262.a4 | 41262g1 | \([1, 1, 0, -10326, -8436780]\) | \(-822656953/207028224\) | \(-30647607187931136\) | \([2]\) | \(506880\) | \(1.8427\) | \(\Gamma_0(N)\)-optimal |
41262.a3 | 41262g2 | \([1, 1, 0, -687446, -217666860]\) | \(242702053576633/2554695936\) | \(378186684010447104\) | \([2, 2]\) | \(1013760\) | \(2.1893\) | |
41262.a2 | 41262g3 | \([1, 1, 0, -1237606, 179218564]\) | \(1416134368422073/725251155408\) | \(107363199539100437712\) | \([2]\) | \(2027520\) | \(2.5358\) | |
41262.a1 | 41262g4 | \([1, 1, 0, -10971206, -13991735004]\) | \(986551739719628473/111045168\) | \(16438670164034352\) | \([2]\) | \(2027520\) | \(2.5358\) |
Rank
sage: E.rank()
The elliptic curves in class 41262g have rank \(1\).
Complex multiplication
The elliptic curves in class 41262g do not have complex multiplication.Modular form 41262.2.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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.