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SageMath
E = EllipticCurve("k1")
E.isogeny_class()
Elliptic curves in class 27735.k
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
27735.k1 | 27735g8 | \([1, 0, 1, -3993879, 3071802841]\) | \(1114544804970241/405\) | \(2560152034845\) | \([2]\) | \(322560\) | \(2.1715\) | |
27735.k2 | 27735g6 | \([1, 0, 1, -249654, 47966731]\) | \(272223782641/164025\) | \(1036861574112225\) | \([2, 2]\) | \(161280\) | \(1.8249\) | |
27735.k3 | 27735g7 | \([1, 0, 1, -203429, 66290321]\) | \(-147281603041/215233605\) | \(-1360569757550061645\) | \([2]\) | \(322560\) | \(2.1715\) | |
27735.k4 | 27735g4 | \([1, 0, 1, -147959, -21918073]\) | \(56667352321/15\) | \(94820445735\) | \([2]\) | \(80640\) | \(1.4783\) | |
27735.k5 | 27735g3 | \([1, 0, 1, -18529, 447431]\) | \(111284641/50625\) | \(320019004355625\) | \([2, 2]\) | \(80640\) | \(1.4783\) | |
27735.k6 | 27735g2 | \([1, 0, 1, -9284, -340243]\) | \(13997521/225\) | \(1422306686025\) | \([2, 2]\) | \(40320\) | \(1.1317\) | |
27735.k7 | 27735g1 | \([1, 0, 1, -39, -14819]\) | \(-1/15\) | \(-94820445735\) | \([2]\) | \(20160\) | \(0.78518\) | \(\Gamma_0(N)\)-optimal |
27735.k8 | 27735g5 | \([1, 0, 1, 64676, 3376247]\) | \(4733169839/3515625\) | \(-22223541969140625\) | \([2]\) | \(161280\) | \(1.8249\) |
Rank
sage: E.rank()
The elliptic curves in class 27735.k have rank \(1\).
Complex multiplication
The elliptic curves in class 27735.k do not have complex multiplication.Modular form 27735.2.a.k
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.
\(\left(\begin{array}{rrrrrrrr} 1 & 2 & 4 & 16 & 4 & 8 & 16 & 8 \\ 2 & 1 & 2 & 8 & 2 & 4 & 8 & 4 \\ 4 & 2 & 1 & 16 & 4 & 8 & 16 & 8 \\ 16 & 8 & 16 & 1 & 4 & 2 & 4 & 8 \\ 4 & 2 & 4 & 4 & 1 & 2 & 4 & 2 \\ 8 & 4 & 8 & 2 & 2 & 1 & 2 & 4 \\ 16 & 8 & 16 & 4 & 4 & 2 & 1 & 8 \\ 8 & 4 & 8 & 8 & 2 & 4 & 8 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.