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SageMath
E = EllipticCurve("cn1")
E.isogeny_class()
Elliptic curves in class 139650.cn
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
139650.cn1 | 139650ga4 | \([1, 0, 1, -181754501, -942299826352]\) | \(361219316414914078129/378697617819360\) | \(696146813106716947500000\) | \([2]\) | \(35389440\) | \(3.4922\) | |
139650.cn2 | 139650ga2 | \([1, 0, 1, -14174501, -6868266352]\) | \(171332100266282929/88068464870400\) | \(161893231617776400000000\) | \([2, 2]\) | \(17694720\) | \(3.1456\) | |
139650.cn3 | 139650ga1 | \([1, 0, 1, -7902501, 8473045648]\) | \(29689921233686449/307510640640\) | \(565286240010240000000\) | \([2]\) | \(8847360\) | \(2.7990\) | \(\Gamma_0(N)\)-optimal |
139650.cn4 | 139650ga3 | \([1, 0, 1, 53053499, -53255586352]\) | \(8983747840943130191/5865547515660000\) | \(-10782434369841927187500000\) | \([2]\) | \(35389440\) | \(3.4922\) |
Rank
sage: E.rank()
The elliptic curves in class 139650.cn have rank \(1\).
Complex multiplication
The elliptic curves in class 139650.cn do not have complex multiplication.Modular form 139650.2.a.cn
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.