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SageMath
E = EllipticCurve("o1")
E.isogeny_class()
Elliptic curves in class 122010.o
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
122010.o1 | 122010o2 | \([1, 1, 0, -167507, -26457171]\) | \(4418129129836969/39680640\) | \(4668387615360\) | \([2]\) | \(1032192\) | \(1.5964\) | |
122010.o2 | 122010o1 | \([1, 1, 0, -10707, -397011]\) | \(1153990560169/101990400\) | \(11999068569600\) | \([2]\) | \(516096\) | \(1.2498\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 122010.o have rank \(0\).
Complex multiplication
The elliptic curves in class 122010.o do not have complex multiplication.Modular form 122010.2.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.