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SageMath
E = EllipticCurve("cc1")
E.isogeny_class()
Elliptic curves in class 405600cc
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
405600.cc3 | 405600cc1 | \([0, -1, 0, -990058, 377685112]\) | \(22235451328/123201\) | \(594667695609000000\) | \([2, 2]\) | \(8257536\) | \(2.2533\) | \(\Gamma_0(N)\)-optimal* |
405600.cc1 | 405600cc2 | \([0, -1, 0, -15819808, 24223923112]\) | \(11339065490696/351\) | \(13553679672000000\) | \([2]\) | \(16515072\) | \(2.5999\) | \(\Gamma_0(N)\)-optimal* |
405600.cc4 | 405600cc3 | \([0, -1, 0, -440808, 794016612]\) | \(-245314376/6908733\) | \(-266777076983976000000\) | \([2]\) | \(16515072\) | \(2.5999\) | |
405600.cc2 | 405600cc4 | \([0, -1, 0, -1560433, -106563263]\) | \(1360251712/771147\) | \(238219473915072000000\) | \([2]\) | \(16515072\) | \(2.5999\) |
Rank
sage: E.rank()
The elliptic curves in class 405600cc have rank \(1\).
Complex multiplication
The elliptic curves in class 405600cc do not have complex multiplication.Modular form 405600.2.a.cc
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 2 & 2 \\ 2 & 1 & 4 & 4 \\ 2 & 4 & 1 & 4 \\ 2 & 4 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.