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SageMath
E = EllipticCurve("e1")
E.isogeny_class()
Elliptic curves in class 488400e
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
488400.e4 | 488400e1 | \([0, -1, 0, -9114608, -9131124288]\) | \(1308451928740468777/194033737531392\) | \(12418159202009088000000\) | \([2]\) | \(47185920\) | \(2.9640\) | \(\Gamma_0(N)\)-optimal |
488400.e2 | 488400e2 | \([0, -1, 0, -140186608, -638801012288]\) | \(4760617885089919932457/133756441657344\) | \(8560412266070016000000\) | \([2, 2]\) | \(94371840\) | \(3.3106\) | |
488400.e3 | 488400e3 | \([0, -1, 0, -134554608, -692485236288]\) | \(-4209586785160189454377/801182513521564416\) | \(-51275680865380122624000000\) | \([2]\) | \(188743680\) | \(3.6572\) | |
488400.e1 | 488400e4 | \([0, -1, 0, -2242970608, -40886086772288]\) | \(19499096390516434897995817/15393430272\) | \(985179537408000000\) | \([2]\) | \(188743680\) | \(3.6572\) |
Rank
sage: E.rank()
The elliptic curves in class 488400e have rank \(0\).
Complex multiplication
The elliptic curves in class 488400e do not have complex multiplication.Modular form 488400.2.a.e
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 Cremona 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 Cremona labels.