Properties

Label 9438.u
Number of curves $4$
Conductor $9438$
CM no
Rank $0$
Graph

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Show commands: SageMath
Copy content sage:E = EllipticCurve("u1") E.isogeny_class()
 

Rank

Copy content sage:E.rank()
 

The elliptic curves in class 9438.u have rank \(0\).

L-function data

 
Bad L-factors:
Prime L-Factor
\(2\)\(1 - T\)
\(3\)\(1 + T\)
\(11\)\(1\)
\(13\)\(1 - T\)
 
Good L-factors:
Prime L-Factor Isogeny Class over \(\mathbb{F}_p\)
\(5\) \( 1 - 2 T + 5 T^{2}\) 1.5.ac
\(7\) \( 1 + 7 T^{2}\) 1.7.a
\(17\) \( 1 + 2 T + 17 T^{2}\) 1.17.c
\(19\) \( 1 + 4 T + 19 T^{2}\) 1.19.e
\(23\) \( 1 - 8 T + 23 T^{2}\) 1.23.ai
\(29\) \( 1 - 6 T + 29 T^{2}\) 1.29.ag
$\cdots$$\cdots$$\cdots$
 
See L-function page for more information

Complex multiplication

The elliptic curves in class 9438.u do not have complex multiplication.

Modular form 9438.2.a.u

Copy content sage:E.q_eigenform(10)
 
\(q + q^{2} - q^{3} + q^{4} + 2 q^{5} - q^{6} + q^{8} + q^{9} + 2 q^{10} - q^{12} + q^{13} - 2 q^{15} + q^{16} - 2 q^{17} + q^{18} - 4 q^{19} + O(q^{20})\) 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 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

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

The vertices are labelled with LMFDB labels.

Elliptic curves in class 9438.u

Copy content sage:E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
9438.u1 9438v4 \([1, 1, 1, -604337, 180576551]\) \(13778603383488553/13703976\) \(24277429426536\) \([2]\) \(92160\) \(1.8611\)  
9438.u2 9438v3 \([1, 1, 1, -91297, -6754681]\) \(47504791830313/16490207448\) \(29213408396786328\) \([2]\) \(92160\) \(1.8611\)  
9438.u3 9438v2 \([1, 1, 1, -38057, 2764631]\) \(3440899317673/106007616\) \(187798958208576\) \([2, 2]\) \(46080\) \(1.5145\)  
9438.u4 9438v1 \([1, 1, 1, 663, 147159]\) \(18191447/5271552\) \(-9338875932672\) \([4]\) \(23040\) \(1.1679\) \(\Gamma_0(N)\)-optimal