Properties

Label 227136cp
Number of curves $4$
Conductor $227136$
CM no
Rank $1$
Graph

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Show commands: Magma / Pari/GP / SageMath
Copy content comment:Define the isogeny class
 
Copy content sage:E = EllipticCurve([0, -1, 0, -2084, 31290]) E.isogeny_class()
 
Copy content magma:E := EllipticCurve([0, -1, 0, -2084, 31290]); IsogenousCurves(E);
 
Copy content gp:E = ellinit([0, -1, 0, -2084, 31290]) ellisomat(E)
 

Rank

Copy content comment:Mordell-Weil rank
 
Copy content sage:E.rank()
 
Copy content gp:[lower,upper] = ellrank(E)
 
Copy content magma:Rank(E);
 

The elliptic curves in class 227136cp have rank \(1\).

L-function data

Bad L-factors:
Prime L-Factor
\(2\)\(1\)
\(3\)\(1 + T\)
\(7\)\(1 - T\)
\(13\)\(1\)
 
Good L-factors:
Prime L-Factor Isogeny Class over \(\mathbb{F}_p\)
\(5\) \( 1 + 5 T^{2}\) 1.5.a
\(11\) \( 1 + 2 T + 11 T^{2}\) 1.11.c
\(17\) \( 1 + 2 T + 17 T^{2}\) 1.17.c
\(19\) \( 1 + 19 T^{2}\) 1.19.a
\(23\) \( 1 + 8 T + 23 T^{2}\) 1.23.i
\(29\) \( 1 + 2 T + 29 T^{2}\) 1.29.c
$\cdots$$\cdots$$\cdots$
 
See L-function page for more information

Complex multiplication

The elliptic curves in class 227136cp do not have complex multiplication.

Modular form 227136.2.a.cp

Copy content comment:q-expansion of modular form
 
Copy content sage:E.q_eigenform(20)
 
Copy content gp:Ser(ellan(E,20),q)*q
 
Copy content magma:ModularForm(E);
 
\(q - q^{3} - 2 q^{5} + q^{7} + q^{9} - 4 q^{11} + 2 q^{15} - 2 q^{17} + 4 q^{19} + O(q^{20})\) Copy content Toggle raw display

Isogeny matrix

Copy content comment:Isogeny matrix
 
Copy content sage:E.isogeny_class().matrix()
 
Copy content gp:ellisomat(E)
 

The \((i,j)\)-th 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 comment:Isogeny graph
 
Copy content sage:E.isogeny_graph().plot(edge_labels=True)
 

The vertices are labelled with Cremona labels, and the \( \Gamma_0(N) \)-optimal curve is highlighted in blue.

Elliptic curves in class 227136cp

Copy content comment:List of curves in the isogeny class
 
Copy content sage:E.isogeny_class().curves
 
Copy content magma:IsogenousCurves(E);
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
227136.ba3 227136cp1 \([0, -1, 0, -2084, 31290]\) \(3241792/567\) \(175155244992\) \([2]\) \(245760\) \(0.87727\) \(\Gamma_0(N)\)-optimal
227136.ba2 227136cp2 \([0, -1, 0, -9689, -335271]\) \(5088448/441\) \(8718838861824\) \([2, 2]\) \(491520\) \(1.2238\)  
227136.ba4 227136cp3 \([0, -1, 0, 10591, -1572351]\) \(830584/7203\) \(-1139261611278336\) \([2]\) \(983040\) \(1.5704\)  
227136.ba1 227136cp4 \([0, -1, 0, -151649, -22679775]\) \(2438569736/21\) \(3321462423552\) \([2]\) \(983040\) \(1.5704\)