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SageMath
E = EllipticCurve("ct1")
E.isogeny_class()
Elliptic curves in class 84150.ct
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
84150.ct1 | 84150ch2 | \([1, -1, 0, -671517, 211431141]\) | \(2940001530995593/8673562656\) | \(98797299628500000\) | \([2]\) | \(983040\) | \(2.1310\) | |
84150.ct2 | 84150ch1 | \([1, -1, 0, -59517, 291141]\) | \(2046931732873/1181672448\) | \(13459987728000000\) | \([2]\) | \(491520\) | \(1.7844\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 84150.ct have rank \(1\).
Complex multiplication
The elliptic curves in class 84150.ct do not have complex multiplication.Modular form 84150.2.a.ct
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.