Properties

Label 411840.dm
Number of curves $4$
Conductor $411840$
CM no
Rank $2$
Graph

Related objects

Downloads

Learn more

Show commands: SageMath
E = EllipticCurve("dm1")
 
E.isogeny_class()
 

Elliptic curves in class 411840.dm

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
411840.dm1 411840dm4 \([0, 0, 0, -92405388, -341887912688]\) \(456612868287073618849/12544848030000\) \(2397357792000737280000\) \([2]\) \(37748736\) \(3.2058\)  
411840.dm2 411840dm3 \([0, 0, 0, -25773708, 45531677968]\) \(9908022260084596129/1047363281250000\) \(200154240000000000000000\) \([2]\) \(37748736\) \(3.2058\) \(\Gamma_0(N)\)-optimal*
411840.dm3 411840dm2 \([0, 0, 0, -6005388, -4893352688]\) \(125337052492018849/18404100000000\) \(3517078280601600000000\) \([2, 2]\) \(18874368\) \(2.8592\) \(\Gamma_0(N)\)-optimal*
411840.dm4 411840dm1 \([0, 0, 0, 630132, -415703792]\) \(144794100308831/474439680000\) \(-90666834780487680000\) \([2]\) \(9437184\) \(2.5126\) \(\Gamma_0(N)\)-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 411840.dm1.

Rank

sage: E.rank()
 

The elliptic curves in class 411840.dm have rank \(2\).

Complex multiplication

The elliptic curves in class 411840.dm do not have complex multiplication.

Modular form 411840.2.a.dm

sage: E.q_eigenform(10)
 
\(q - q^{5} + q^{11} - q^{13} - 6 q^{17} + 4 q^{19} + O(q^{20})\) 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.

\(\left(\begin{array}{rrrr} 1 & 4 & 2 & 4 \\ 4 & 1 & 2 & 4 \\ 2 & 2 & 1 & 2 \\ 4 & 4 & 2 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.