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SageMath
E = EllipticCurve("b1")
E.isogeny_class()
Elliptic curves in class 481338b
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
481338.b2 | 481338b1 | \([1, -1, 0, 787869, 14966991]\) | \(2860428263/1660594\) | \(-31399146585879412626\) | \([]\) | \(12317184\) | \(2.4306\) | \(\Gamma_0(N)\)-optimal |
481338.b1 | 481338b2 | \([1, -1, 0, -10412496, -13996689624]\) | \(-6602887509097/656446024\) | \(-12412332534800026353096\) | \([]\) | \(36951552\) | \(2.9799\) |
Rank
sage: E.rank()
The elliptic curves in class 481338b have rank \(0\).
Complex multiplication
The elliptic curves in class 481338b do not have complex multiplication.Modular form 481338.2.a.b
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.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.