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SageMath
E = EllipticCurve("eh1")
E.isogeny_class()
Elliptic curves in class 100800.eh
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
100800.eh1 | 100800kx4 | \([0, 0, 0, -2016300, -1101998000]\) | \(1214399773444/105\) | \(78382080000000\) | \([2]\) | \(786432\) | \(2.1066\) | |
100800.eh2 | 100800kx2 | \([0, 0, 0, -126300, -17138000]\) | \(1193895376/11025\) | \(2057529600000000\) | \([2, 2]\) | \(393216\) | \(1.7600\) | |
100800.eh3 | 100800kx3 | \([0, 0, 0, -36300, -41078000]\) | \(-7086244/972405\) | \(-725896442880000000\) | \([2]\) | \(786432\) | \(2.1066\) | |
100800.eh4 | 100800kx1 | \([0, 0, 0, -13800, 187000]\) | \(24918016/13125\) | \(153090000000000\) | \([2]\) | \(196608\) | \(1.4135\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 100800.eh have rank \(1\).
Complex multiplication
The elliptic curves in class 100800.eh do not have complex multiplication.Modular form 100800.2.a.eh
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.