Show commands:
SageMath
E = EllipticCurve("vm1")
E.isogeny_class()
Elliptic curves in class 235200.vm
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
235200.vm1 | 235200vm3 | \([0, 1, 0, -785633, 267760863]\) | \(890277128/15\) | \(903544320000000\) | \([2]\) | \(2359296\) | \(2.0000\) | |
235200.vm2 | 235200vm4 | \([0, 1, 0, -197633, -29767137]\) | \(14172488/1875\) | \(112943040000000000\) | \([2]\) | \(2359296\) | \(2.0000\) | |
235200.vm3 | 235200vm2 | \([0, 1, 0, -50633, 3895863]\) | \(1906624/225\) | \(1694145600000000\) | \([2, 2]\) | \(1179648\) | \(1.6535\) | |
235200.vm4 | 235200vm1 | \([0, 1, 0, 4492, 312738]\) | \(85184/405\) | \(-47647845000000\) | \([2]\) | \(589824\) | \(1.3069\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 235200.vm have rank \(1\).
Complex multiplication
The elliptic curves in class 235200.vm do not have complex multiplication.Modular form 235200.2.a.vm
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.
\(\left(\begin{array}{rrrr} 1 & 4 & 2 & 4 \\ 4 & 1 & 2 & 4 \\ 2 & 2 & 1 & 2 \\ 4 & 4 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.