Properties

Label 40560bu
Number of curves $4$
Conductor $40560$
CM no
Rank $1$
Graph

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Show commands: SageMath
Copy content sage:E = EllipticCurve("bu1") E.isogeny_class()
 

Rank

Copy content sage:E.rank()
 

The elliptic curves in class 40560bu have rank \(1\).

L-function data

 
Bad L-factors:
Prime L-Factor
\(2\)\(1\)
\(3\)\(1 - T\)
\(5\)\(1 + T\)
\(13\)\(1\)
 
Good L-factors:
Prime L-Factor Isogeny Class over \(\mathbb{F}_p\)
\(7\) \( 1 + 7 T^{2}\) 1.7.a
\(11\) \( 1 + 4 T + 11 T^{2}\) 1.11.e
\(17\) \( 1 - 2 T + 17 T^{2}\) 1.17.ac
\(19\) \( 1 + 4 T + 19 T^{2}\) 1.19.e
\(23\) \( 1 + 8 T + 23 T^{2}\) 1.23.i
\(29\) \( 1 - 6 T + 29 T^{2}\) 1.29.ag
$\cdots$$\cdots$$\cdots$
 
See L-function page for more information

Complex multiplication

The elliptic curves in class 40560bu do not have complex multiplication.

Modular form 40560.2.a.bu

Copy content sage:E.q_eigenform(10)
 
\(q - q^{3} + q^{5} + 4 q^{7} + q^{9} - q^{15} - 2 q^{17} + 4 q^{19} + O(q^{20})\) Copy content Toggle raw display

Isogeny matrix

Copy content 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 Cremona numbering.

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

Isogeny graph

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

The vertices are labelled with Cremona labels.

Elliptic curves in class 40560bu

Copy content sage:E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
40560.be4 40560bu1 \([0, -1, 0, -780160, -437915648]\) \(-2656166199049/2658140160\) \(-52553051535562506240\) \([2]\) \(1290240\) \(2.4797\) \(\Gamma_0(N)\)-optimal
40560.be3 40560bu2 \([0, -1, 0, -14624640, -21514752000]\) \(17496824387403529/6580454400\) \(130099595354151321600\) \([2, 2]\) \(2580480\) \(2.8263\)  
40560.be2 40560bu3 \([0, -1, 0, -16787840, -14729226240]\) \(26465989780414729/10571870144160\) \(209012318038682769162240\) \([2]\) \(5160960\) \(3.1729\)  
40560.be1 40560bu4 \([0, -1, 0, -233973120, -1377439315968]\) \(71647584155243142409/10140000\) \(200473981992960000\) \([2]\) \(5160960\) \(3.1729\)