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SageMath
E = EllipticCurve("r1")
E.isogeny_class()
Elliptic curves in class 8820.r
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 8820.r1 | 8820bb2 | \([0, 0, 0, -355152, -81465244]\) | \(-225637236736/1715\) | \(-37654757763840\) | \([]\) | \(51840\) | \(1.7798\) | |
| 8820.r2 | 8820bb1 | \([0, 0, 0, -2352, -215404]\) | \(-65536/875\) | \(-19211611104000\) | \([]\) | \(17280\) | \(1.2305\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 8820.r have rank \(1\).
Complex multiplication
The elliptic curves in class 8820.r do not have complex multiplication.Modular form 8820.2.a.r
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.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.
