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SageMath
E = EllipticCurve("m1")
E.isogeny_class()
Elliptic curves in class 128778m
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
128778.k2 | 128778m1 | \([1, 0, 1, -17228878, 27264185600]\) | \(117174888570509216929/1273887851544576\) | \(6148813346826023337984\) | \([]\) | \(8692992\) | \(2.9960\) | \(\Gamma_0(N)\)-optimal |
128778.k1 | 128778m2 | \([1, 0, 1, -3779026918, -89416900063840]\) | \(1236526859255318155975783969/38367061931916216\) | \(185190479836530578634744\) | \([]\) | \(60850944\) | \(3.9689\) |
Rank
sage: E.rank()
The elliptic curves in class 128778m have rank \(1\).
Complex multiplication
The elliptic curves in class 128778m do not have complex multiplication.Modular form 128778.2.a.m
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 Cremona numbering.
\(\left(\begin{array}{rr} 1 & 7 \\ 7 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.