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SageMath
E = EllipticCurve("cv1")
E.isogeny_class()
Elliptic curves in class 166782cv
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
166782.t4 | 166782cv1 | \([1, 1, 0, -35024, -9240528]\) | \(-100999381393/723148272\) | \(-34021147549867632\) | \([2]\) | \(1382400\) | \(1.8553\) | \(\Gamma_0(N)\)-optimal |
166782.t3 | 166782cv2 | \([1, 1, 0, -908644, -333004100]\) | \(1763535241378513/4612311396\) | \(216990253071159876\) | \([2, 2]\) | \(2764800\) | \(2.2019\) | |
166782.t2 | 166782cv3 | \([1, 1, 0, -1266034, -47163578]\) | \(4770223741048753/2740574865798\) | \(128932759007923678038\) | \([2]\) | \(5529600\) | \(2.5485\) | |
166782.t1 | 166782cv4 | \([1, 1, 0, -14529174, -21322240830]\) | \(7209828390823479793/49509306\) | \(2329208918468586\) | \([2]\) | \(5529600\) | \(2.5485\) |
Rank
sage: E.rank()
The elliptic curves in class 166782cv have rank \(1\).
Complex multiplication
The elliptic curves in class 166782cv do not have complex multiplication.Modular form 166782.2.a.cv
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.