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SageMath
E = EllipticCurve("cn1")
E.isogeny_class()
Elliptic curves in class 324870cn
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
324870.cn4 | 324870cn1 | \([1, 0, 1, -306060053, -7016208163744]\) | \(-26949791983733109138764089/165161952797784563712000\) | \(-19431138584706556136153088000\) | \([2]\) | \(311427072\) | \(4.1117\) | \(\Gamma_0(N)\)-optimal |
324870.cn3 | 324870cn2 | \([1, 0, 1, -7685005333, -258782869539232]\) | \(426646307804307769001905914169/998470877001641316000000\) | \(117469100208366099186084000000\) | \([2, 2]\) | \(622854144\) | \(4.4583\) | |
324870.cn2 | 324870cn3 | \([1, 0, 1, -10542195333, -48935978551232]\) | \(1101358349464662961278219354169/628567168199833707765102000\) | \(73950298771542235884856485198000\) | \([4]\) | \(1245708288\) | \(4.8049\) | |
324870.cn1 | 324870cn4 | \([1, 0, 1, -122890939813, -16581666572777344]\) | \(1744596788171434949302427839201849/9588363813082031250000\) | \(1128061414245287894531250000\) | \([2]\) | \(1245708288\) | \(4.8049\) |
Rank
sage: E.rank()
The elliptic curves in class 324870cn have rank \(0\).
Complex multiplication
The elliptic curves in class 324870cn do not have complex multiplication.Modular form 324870.2.a.cn
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.