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SageMath
E = EllipticCurve("o1")
E.isogeny_class()
Elliptic curves in class 2520.o
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
2520.o1 | 2520c1 | \([0, 0, 0, -27, -26]\) | \(78732/35\) | \(967680\) | \([2]\) | \(384\) | \(-0.15586\) | \(\Gamma_0(N)\)-optimal |
2520.o2 | 2520c2 | \([0, 0, 0, 93, -194]\) | \(1608714/1225\) | \(-67737600\) | \([2]\) | \(768\) | \(0.19072\) |
Rank
sage: E.rank()
The elliptic curves in class 2520.o have rank \(0\).
Complex multiplication
The elliptic curves in class 2520.o do not have complex multiplication.Modular form 2520.2.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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.