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SageMath
E = EllipticCurve("ch1")
E.isogeny_class()
Elliptic curves in class 17424.ch
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 17424.ch1 | 17424bh2 | \([0, 0, 0, -290763, -60014790]\) | \(19034163/121\) | \(17281949100945408\) | \([2]\) | \(184320\) | \(1.9527\) | |
| 17424.ch2 | 17424bh1 | \([0, 0, 0, -29403, 359370]\) | \(19683/11\) | \(1571086281904128\) | \([2]\) | \(92160\) | \(1.6061\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 17424.ch have rank \(1\).
Complex multiplication
The elliptic curves in class 17424.ch do not have complex multiplication.Modular form 17424.2.a.ch
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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.
