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SageMath
E = EllipticCurve("dp1")
E.isogeny_class()
Elliptic curves in class 182070.dp
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
182070.dp1 | 182070bu1 | \([1, -1, 1, -13328012, -18684404081]\) | \(551105805571803/1376829440\) | \(654131351136500858880\) | \([2]\) | \(16558080\) | \(2.8715\) | \(\Gamma_0(N)\)-optimal |
182070.dp2 | 182070bu2 | \([1, -1, 1, -8334092, -32859146609]\) | \(-134745327251163/903920796800\) | \(-429452563224655075593600\) | \([2]\) | \(33116160\) | \(3.2181\) |
Rank
sage: E.rank()
The elliptic curves in class 182070.dp have rank \(0\).
Complex multiplication
The elliptic curves in class 182070.dp do not have complex multiplication.Modular form 182070.2.a.dp
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.