Label 439569.i
Number of curves $2$
Conductor $439569$
CM no
Rank $0$

Related objects


Learn more about

Show commands for: SageMath
sage: E = EllipticCurve("i1")
sage: E.isogeny_class()

Elliptic curves in class 439569.i

sage: E.isogeny_class().curves
LMFDB label Cremona label Weierstrass coefficients Torsion structure Modular degree Optimality
439569.i1 439569i2 [1, -1, 1, -5150732177, -142281237679460] [2] 371589120  
439569.i2 439569i1 [1, -1, 1, -322066712, -2220967201670] [2] 185794560 \(\Gamma_0(N)\)-optimal*
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 0 curves highlighted, and conditionally curve 439569.i1.


sage: E.rank()

The elliptic curves in class 439569.i have rank \(0\).

Complex multiplication

The elliptic curves in class 439569.i do not have complex multiplication.

Modular form 439569.2.a.i

sage: E.q_eigenform(10)
\(q - q^{2} - q^{4} - 4q^{5} - 2q^{7} + 3q^{8} + 4q^{10} - 6q^{11} + 2q^{14} - q^{16} - 8q^{19} + O(q^{20})\)  Toggle raw display

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.

\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)

Isogeny graph

sage: E.isogeny_graph().plot(edge_labels=True)

The vertices are labelled with LMFDB labels.