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SageMath
E = EllipticCurve("dw1")
E.isogeny_class()
Elliptic curves in class 474320.dw
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
474320.dw1 | 474320dw3 | \([0, 0, 0, -1983529163, 34002118567802]\) | \(1010962818911303721/57392720\) | \(48996054229735637319680\) | \([2]\) | \(141557760\) | \(3.8204\) | \(\Gamma_0(N)\)-optimal* |
474320.dw2 | 474320dw4 | \([0, 0, 0, -207675083, -271661787782]\) | \(1160306142246441/634128110000\) | \(541353942907040570531840000\) | \([2]\) | \(141557760\) | \(3.8204\) | |
474320.dw3 | 474320dw2 | \([0, 0, 0, -124194763, 529265098362]\) | \(248158561089321/1859334400\) | \(1587310186616228911513600\) | \([2, 2]\) | \(70778880\) | \(3.4739\) | \(\Gamma_0(N)\)-optimal* |
474320.dw4 | 474320dw1 | \([0, 0, 0, -2768843, 18766245498]\) | \(-2749884201/176619520\) | \(-150779743144250315898880\) | \([2]\) | \(35389440\) | \(3.1273\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 474320.dw have rank \(0\).
Complex multiplication
The elliptic curves in class 474320.dw do not have complex multiplication.Modular form 474320.2.a.dw
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.
\(\left(\begin{array}{rrrr} 1 & 4 & 2 & 4 \\ 4 & 1 & 2 & 4 \\ 2 & 2 & 1 & 2 \\ 4 & 4 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.