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SageMath
E = EllipticCurve("dd1")
E.isogeny_class()
Elliptic curves in class 25200.dd
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
25200.dd1 | 25200dp2 | \([0, 0, 0, -583875, -171618750]\) | \(139798359/98\) | \(15431472000000000\) | \([2]\) | \(276480\) | \(2.0426\) | |
25200.dd2 | 25200dp1 | \([0, 0, 0, -43875, -1518750]\) | \(59319/28\) | \(4408992000000000\) | \([2]\) | \(138240\) | \(1.6960\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 25200.dd have rank \(0\).
Complex multiplication
The elliptic curves in class 25200.dd do not have complex multiplication.Modular form 25200.2.a.dd
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.