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SageMath
E = EllipticCurve("dm1")
E.isogeny_class()
Elliptic curves in class 411840.dm
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
411840.dm1 | 411840dm4 | \([0, 0, 0, -92405388, -341887912688]\) | \(456612868287073618849/12544848030000\) | \(2397357792000737280000\) | \([2]\) | \(37748736\) | \(3.2058\) | |
411840.dm2 | 411840dm3 | \([0, 0, 0, -25773708, 45531677968]\) | \(9908022260084596129/1047363281250000\) | \(200154240000000000000000\) | \([2]\) | \(37748736\) | \(3.2058\) | \(\Gamma_0(N)\)-optimal* |
411840.dm3 | 411840dm2 | \([0, 0, 0, -6005388, -4893352688]\) | \(125337052492018849/18404100000000\) | \(3517078280601600000000\) | \([2, 2]\) | \(18874368\) | \(2.8592\) | \(\Gamma_0(N)\)-optimal* |
411840.dm4 | 411840dm1 | \([0, 0, 0, 630132, -415703792]\) | \(144794100308831/474439680000\) | \(-90666834780487680000\) | \([2]\) | \(9437184\) | \(2.5126\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 411840.dm have rank \(2\).
Complex multiplication
The elliptic curves in class 411840.dm do not have complex multiplication.Modular form 411840.2.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 LMFDB numbering.
\(\left(\begin{array}{rrrr} 1 & 4 & 2 & 4 \\ 4 & 1 & 2 & 4 \\ 2 & 2 & 1 & 2 \\ 4 & 4 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.