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SageMath
E = EllipticCurve("co1")
E.isogeny_class()
Elliptic curves in class 425880.co
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
425880.co1 | 425880co4 | \([0, 0, 0, -2056416843, -35893420082858]\) | \(266912903848829942596/152163375\) | \(548274100668368256000\) | \([2]\) | \(115605504\) | \(3.7404\) | |
425880.co2 | 425880co2 | \([0, 0, 0, -128549343, -560621263358]\) | \(260798860029250384/196803140625\) | \(177279954744172644000000\) | \([2, 2]\) | \(57802752\) | \(3.3938\) | |
425880.co3 | 425880co3 | \([0, 0, 0, -101931843, -799449443858]\) | \(-32506165579682596/57814914850875\) | \(-208318331826444955280256000\) | \([2]\) | \(115605504\) | \(3.7404\) | |
425880.co4 | 425880co1 | \([0, 0, 0, -9721218, -4814591483]\) | \(1804588288006144/866455078125\) | \(48781334405425781250000\) | \([2]\) | \(28901376\) | \(3.0472\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 425880.co have rank \(0\).
Complex multiplication
The elliptic curves in class 425880.co do not have complex multiplication.Modular form 425880.2.a.co
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.