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SageMath
E = EllipticCurve("dm1")
E.isogeny_class()
Elliptic curves in class 333270dm
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
333270.dm3 | 333270dm1 | \([1, -1, 1, -16763, -523173]\) | \(4826809/1680\) | \(181302513976080\) | \([2]\) | \(1441792\) | \(1.4375\) | \(\Gamma_0(N)\)-optimal |
333270.dm2 | 333270dm2 | \([1, -1, 1, -111983, 14064531]\) | \(1439069689/44100\) | \(4759190991872100\) | \([2, 2]\) | \(2883584\) | \(1.7841\) | |
333270.dm1 | 333270dm3 | \([1, -1, 1, -1778333, 913226991]\) | \(5763259856089/5670\) | \(611895984669270\) | \([2]\) | \(5767168\) | \(2.1306\) | |
333270.dm4 | 333270dm4 | \([1, -1, 1, 30847, 47372487]\) | \(30080231/9003750\) | \(-971668160840553750\) | \([2]\) | \(5767168\) | \(2.1306\) |
Rank
sage: E.rank()
The elliptic curves in class 333270dm have rank \(1\).
Complex multiplication
The elliptic curves in class 333270dm do not have complex multiplication.Modular form 333270.2.a.dm
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.