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SageMath
E = EllipticCurve("fo1")
E.isogeny_class()
Elliptic curves in class 152880fo
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
152880.gn4 | 152880fo1 | \([0, 1, 0, -313175, 27735000]\) | \(1804588288006144/866455078125\) | \(1631001175781250000\) | \([2]\) | \(2064384\) | \(2.1884\) | \(\Gamma_0(N)\)-optimal |
152880.gn2 | 152880fo2 | \([0, 1, 0, -4141300, 3240297500]\) | \(260798860029250384/196803140625\) | \(5927345328996000000\) | \([2, 2]\) | \(4128768\) | \(2.5350\) | |
152880.gn1 | 152880fo3 | \([0, 1, 0, -66248800, 207524286500]\) | \(266912903848829942596/152163375\) | \(18331513759104000\) | \([2]\) | \(8257536\) | \(2.8816\) | |
152880.gn3 | 152880fo4 | \([0, 1, 0, -3283800, 4621558500]\) | \(-32506165579682596/57814914850875\) | \(-6965111723305567104000\) | \([4]\) | \(8257536\) | \(2.8816\) |
Rank
sage: E.rank()
The elliptic curves in class 152880fo have rank \(1\).
Complex multiplication
The elliptic curves in class 152880fo do not have complex multiplication.Modular form 152880.2.a.fo
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.