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SageMath
E = EllipticCurve("o1")
E.isogeny_class()
Elliptic curves in class 212160.o
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
212160.o1 | 212160hf1 | \([0, -1, 0, -1281, -15615]\) | \(887503681/89505\) | \(23463198720\) | \([2]\) | \(163840\) | \(0.72598\) | \(\Gamma_0(N)\)-optimal |
212160.o2 | 212160hf2 | \([0, -1, 0, 1599, -78399]\) | \(1723683599/10989225\) | \(-2880759398400\) | \([2]\) | \(327680\) | \(1.0726\) |
Rank
sage: E.rank()
The elliptic curves in class 212160.o have rank \(2\).
Complex multiplication
The elliptic curves in class 212160.o do not have complex multiplication.Modular form 212160.2.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.