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SageMath
E = EllipticCurve("r1")
E.isogeny_class()
Elliptic curves in class 83391.r
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
83391.r1 | 83391m2 | \([0, -1, 1, -18945400, 31731716595]\) | \(15985030403346927616/8374342621029\) | \(393978326402158431549\) | \([]\) | \(9360000\) | \(2.9024\) | |
83391.r2 | 83391m1 | \([0, -1, 1, -675190, -213101205]\) | \(723570336280576/853577109\) | \(40157287094338029\) | \([]\) | \(1872000\) | \(2.0976\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 83391.r have rank \(0\).
Complex multiplication
The elliptic curves in class 83391.r do not have complex multiplication.Modular form 83391.2.a.r
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.