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SageMath
E = EllipticCurve("c1")
E.isogeny_class()
Elliptic curves in class 13475.c
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
13475.c1 | 13475e3 | \([1, -1, 1, -72505, -7494378]\) | \(22930509321/6875\) | \(12638076171875\) | \([2]\) | \(36864\) | \(1.4920\) | |
13475.c2 | 13475e4 | \([1, -1, 1, -35755, 2550622]\) | \(2749884201/73205\) | \(134570235078125\) | \([2]\) | \(36864\) | \(1.4920\) | |
13475.c3 | 13475e2 | \([1, -1, 1, -5130, -83128]\) | \(8120601/3025\) | \(5560753515625\) | \([2, 2]\) | \(18432\) | \(1.1454\) | |
13475.c4 | 13475e1 | \([1, -1, 1, 995, -9628]\) | \(59319/55\) | \(-101104609375\) | \([2]\) | \(9216\) | \(0.79886\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 13475.c have rank \(0\).
Complex multiplication
The elliptic curves in class 13475.c do not have complex multiplication.Modular form 13475.2.a.c
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.
\(\left(\begin{array}{rrrr} 1 & 4 & 2 & 4 \\ 4 & 1 & 2 & 4 \\ 2 & 2 & 1 & 2 \\ 4 & 4 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.