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SageMath
E = EllipticCurve("c1")
E.isogeny_class()
Elliptic curves in class 50430.c
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
50430.c1 | 50430a4 | \([1, 1, 0, -8822763, 10083162117]\) | \(15989485458638089/615000\) | \(2921314108215000\) | \([2]\) | \(1290240\) | \(2.4584\) | |
50430.c2 | 50430a3 | \([1, 1, 0, -888443, -57140907]\) | \(16327137318409/9155465640\) | \(43489416164893779240\) | \([2]\) | \(1290240\) | \(2.4584\) | |
50430.c3 | 50430a2 | \([1, 1, 0, -552243, 156884013]\) | \(3921141001609/24206400\) | \(114982923299342400\) | \([2, 2]\) | \(645120\) | \(2.1119\) | |
50430.c4 | 50430a1 | \([1, 1, 0, -14323, 5298157]\) | \(-68417929/2519040\) | \(-11965702587248640\) | \([2]\) | \(322560\) | \(1.7653\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 50430.c have rank \(1\).
Complex multiplication
The elliptic curves in class 50430.c do not have complex multiplication.Modular form 50430.2.a.c
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.