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SageMath
E = EllipticCurve("i1")
E.isogeny_class()
Elliptic curves in class 370881i
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
370881.i5 | 370881i1 | \([1, -1, 1, -290778431, 2043453982182]\) | \(-53297461115137/4513839183\) | \(-230276615606154943330533903\) | \([2]\) | \(123863040\) | \(3.8034\) | \(\Gamma_0(N)\)-optimal |
370881.i4 | 370881i2 | \([1, -1, 1, -4743204836, 125735421454206]\) | \(231331938231569617/1472026689\) | \(75096455651653194763768449\) | \([2, 2]\) | \(247726080\) | \(4.1500\) | |
370881.i1 | 370881i3 | \([1, -1, 1, -75891161471, 8047035862185912]\) | \(947531277805646290177/38367\) | \(1957318936889858335647\) | \([2]\) | \(495452160\) | \(4.4966\) | |
370881.i3 | 370881i4 | \([1, -1, 1, -4834070681, 120667469815176]\) | \(244883173420511137/18418027974129\) | \(939608385694212357643347645489\) | \([2, 2]\) | \(495452160\) | \(4.4966\) | |
370881.i6 | 370881i5 | \([1, -1, 1, 4628958034, 535503937411860]\) | \(215015459663151503/2552757445339983\) | \(-130230679726080386150567228306703\) | \([2]\) | \(990904320\) | \(4.8431\) | |
370881.i2 | 370881i6 | \([1, -1, 1, -15750952916, -618518993069568]\) | \(8471112631466271697/1662662681263647\) | \(84821882130409021497934145756127\) | \([2]\) | \(990904320\) | \(4.8431\) |
Rank
sage: E.rank()
The elliptic curves in class 370881i have rank \(1\).
Complex multiplication
The elliptic curves in class 370881i do not have complex multiplication.Modular form 370881.2.a.i
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.
\(\left(\begin{array}{rrrrrr} 1 & 2 & 4 & 4 & 8 & 8 \\ 2 & 1 & 2 & 2 & 4 & 4 \\ 4 & 2 & 1 & 4 & 8 & 8 \\ 4 & 2 & 4 & 1 & 2 & 2 \\ 8 & 4 & 8 & 2 & 1 & 4 \\ 8 & 4 & 8 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.