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SageMath
E = EllipticCurve("nz1")
E.isogeny_class()
Elliptic curves in class 479808nz
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
479808.nz4 | 479808nz1 | \([0, 0, 0, 27636, 477812720]\) | \(103823/4386816\) | \(-98629108855140777984\) | \([2]\) | \(14155776\) | \(2.5154\) | \(\Gamma_0(N)\)-optimal* |
479808.nz3 | 479808nz2 | \([0, 0, 0, -9004044, 10213963760]\) | \(3590714269297/73410624\) | \(1650496493497746456576\) | \([2, 2]\) | \(28311552\) | \(2.8620\) | \(\Gamma_0(N)\)-optimal* |
479808.nz1 | 479808nz3 | \([0, 0, 0, -143350284, 660610980848]\) | \(14489843500598257/6246072\) | \(140430899131635990528\) | \([2]\) | \(56623104\) | \(3.2085\) | \(\Gamma_0(N)\)-optimal* |
479808.nz2 | 479808nz4 | \([0, 0, 0, -19164684, -17069386768]\) | \(34623662831857/14438442312\) | \(324620567283633160716288\) | \([2]\) | \(56623104\) | \(3.2085\) |
Rank
sage: E.rank()
The elliptic curves in class 479808nz have rank \(0\).
Complex multiplication
The elliptic curves in class 479808nz do not have complex multiplication.Modular form 479808.2.a.nz
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.