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SageMath
E = EllipticCurve("o1")
E.isogeny_class()
Elliptic curves in class 4018.o
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
4018.o1 | 4018n2 | \([1, 0, 0, -773466, 261759014]\) | \(434969885624052241/1621986814\) | \(190825126680286\) | \([]\) | \(28800\) | \(1.9557\) | |
4018.o2 | 4018n1 | \([1, 0, 0, -8576, -296416]\) | \(592915705201/22050784\) | \(2594252686816\) | \([]\) | \(5760\) | \(1.1510\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 4018.o have rank \(1\).
Complex multiplication
The elliptic curves in class 4018.o do not have complex multiplication.Modular form 4018.2.a.o
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.
\(\left(\begin{array}{rr} 1 & 5 \\ 5 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.