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SageMath
E = EllipticCurve("b1")
E.isogeny_class()
Elliptic curves in class 34650b
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 34650.m4 | 34650b1 | \([1, -1, 0, 6558, 941716]\) | \(73929353373/954060800\) | \(-402494400000000\) | \([2]\) | \(165888\) | \(1.4832\) | \(\Gamma_0(N)\)-optimal |
| 34650.m2 | 34650b2 | \([1, -1, 0, -113442, 13781716]\) | \(382704614800227/27778076480\) | \(11718876015000000\) | \([2]\) | \(331776\) | \(1.8298\) | |
| 34650.m3 | 34650b3 | \([1, -1, 0, -59442, -26492284]\) | \(-75526045083/943250000\) | \(-290093589843750000\) | \([2]\) | \(497664\) | \(2.0325\) | |
| 34650.m1 | 34650b4 | \([1, -1, 0, -1746942, -885429784]\) | \(1917114236485083/7117764500\) | \(2189046228960937500\) | \([2]\) | \(995328\) | \(2.3791\) |
Rank
sage: E.rank()
The elliptic curves in class 34650b have rank \(2\).
Complex multiplication
The elliptic curves in class 34650b do not have complex multiplication.Modular form 34650.2.a.b
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.
