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SageMath
E = EllipticCurve("e1")
E.isogeny_class()
Elliptic curves in class 5929e
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality | CM discriminant |
---|---|---|---|---|---|---|---|---|---|
5929.c4 | 5929e1 | \([1, -1, 1, -265, 2104]\) | \(-3375\) | \(-607645423\) | \([2]\) | \(1280\) | \(0.39981\) | \(\Gamma_0(N)\)-optimal | \(-7\) |
5929.c3 | 5929e2 | \([1, -1, 1, -4500, 117296]\) | \(16581375\) | \(607645423\) | \([2]\) | \(2560\) | \(0.74638\) | \(-28\) | |
5929.c2 | 5929e3 | \([1, -1, 1, -12970, -695824]\) | \(-3375\) | \(-71488876370527\) | \([2]\) | \(8960\) | \(1.3728\) | \(-7\) | |
5929.c1 | 5929e4 | \([1, -1, 1, -220485, -39791650]\) | \(16581375\) | \(71488876370527\) | \([2]\) | \(17920\) | \(1.7193\) | \(-28\) |
Rank
sage: E.rank()
The elliptic curves in class 5929e have rank \(1\).
Complex multiplication
Each elliptic curve in class 5929e has complex multiplication by an order in the imaginary quadratic field \(\Q(\sqrt{-7}) \).Modular form 5929.2.a.e
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 7 & 14 \\ 2 & 1 & 14 & 7 \\ 7 & 14 & 1 & 2 \\ 14 & 7 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.