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SageMath
E = EllipticCurve("bc1")
E.isogeny_class()
Elliptic curves in class 74382.bc
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
74382.bc1 | 74382u2 | \([1, 1, 1, -1493800617758, 702727065966594395]\) | \(-3133382230165522315000208250857964625/153574604080128\) | \(-18067898595422979072\) | \([]\) | \(431101440\) | \(5.0874\) | |
74382.bc2 | 74382u1 | \([1, 1, 1, -18441820958, 963971259390299]\) | \(-5895856113332931416918127084625/215771481613620039647232\) | \(-25385299040360784044457197568\) | \([]\) | \(143700480\) | \(4.5381\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 74382.bc have rank \(1\).
Complex multiplication
The elliptic curves in class 74382.bc do not have complex multiplication.Modular form 74382.2.a.bc
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.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.