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SageMath
E = EllipticCurve("o1")
E.isogeny_class()
Elliptic curves in class 16905.o
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
16905.o1 | 16905j1 | \([0, -1, 1, -1045, -39894]\) | \(-1073741824/5325075\) | \(-626489748675\) | \([]\) | \(20736\) | \(0.94805\) | \(\Gamma_0(N)\)-optimal |
16905.o2 | 16905j2 | \([0, -1, 1, 9245, 981903]\) | \(742692847616/3992296875\) | \(-469689735046875\) | \([]\) | \(62208\) | \(1.4974\) |
Rank
sage: E.rank()
The elliptic curves in class 16905.o have rank \(1\).
Complex multiplication
The elliptic curves in class 16905.o do not have complex multiplication.Modular form 16905.2.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.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.