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SageMath
E = EllipticCurve("db1")
E.isogeny_class()
Elliptic curves in class 54720.db
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 54720.db1 | 54720i2 | \([0, 0, 0, -229932, -23572944]\) | \(260549802603/104256800\) | \(537942188202393600\) | \([2]\) | \(737280\) | \(2.1003\) | |
| 54720.db2 | 54720i1 | \([0, 0, 0, 46548, -2671056]\) | \(2161700757/1848320\) | \(-9536925220208640\) | \([2]\) | \(368640\) | \(1.7538\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 54720.db have rank \(0\).
Complex multiplication
The elliptic curves in class 54720.db do not have complex multiplication.Modular form 54720.2.a.db
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.
