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SageMath
E = EllipticCurve("eh1")
E.isogeny_class()
Elliptic curves in class 22050.eh
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
22050.eh1 | 22050da3 | \([1, -1, 1, -514730, 124681897]\) | \(416832723/56000\) | \(2026224608625000000\) | \([2]\) | \(331776\) | \(2.2402\) | |
22050.eh2 | 22050da1 | \([1, -1, 1, -128855, -17748853]\) | \(4767078987/6860\) | \(340483559062500\) | \([2]\) | \(110592\) | \(1.6909\) | \(\Gamma_0(N)\)-optimal |
22050.eh3 | 22050da2 | \([1, -1, 1, -92105, -28112353]\) | \(-1740992427/5882450\) | \(-291964651896093750\) | \([2]\) | \(221184\) | \(2.0375\) | |
22050.eh4 | 22050da4 | \([1, -1, 1, 808270, 659173897]\) | \(1613964717/6125000\) | \(-221618316568359375000\) | \([2]\) | \(663552\) | \(2.5868\) |
Rank
sage: E.rank()
The elliptic curves in class 22050.eh have rank \(1\).
Complex multiplication
The elliptic curves in class 22050.eh do not have complex multiplication.Modular form 22050.2.a.eh
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.
\(\left(\begin{array}{rrrr} 1 & 3 & 6 & 2 \\ 3 & 1 & 2 & 6 \\ 6 & 2 & 1 & 3 \\ 2 & 6 & 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.