Properties

Label 40656.m
Number of curves $2$
Conductor $40656$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("m1")
 
E.isogeny_class()
 

Elliptic curves in class 40656.m

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
40656.m1 40656be2 \([0, -1, 0, -3550664, 2571426288]\) \(512576216027/1143072\) \(11039965114559496192\) \([2]\) \(1520640\) \(2.5365\)  
40656.m2 40656be1 \([0, -1, 0, -143304, 69061104]\) \(-33698267/193536\) \(-1869200442676740096\) \([2]\) \(760320\) \(2.1899\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 40656.m have rank \(0\).

Complex multiplication

The elliptic curves in class 40656.m do not have complex multiplication.

Modular form 40656.2.a.m

sage: E.q_eigenform(10)
 
\(q - q^{3} - 2 q^{5} - q^{7} + q^{9} + 6 q^{13} + 2 q^{15} + 8 q^{19} + O(q^{20})\) Copy content 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.