Properties

Label 2-6440-1.1-c1-0-94
Degree $2$
Conductor $6440$
Sign $-1$
Analytic cond. $51.4236$
Root an. cond. $7.17102$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s + 5-s + 7-s − 2·9-s − 2·11-s − 13-s − 15-s − 2·17-s − 2·19-s − 21-s + 23-s + 25-s + 5·27-s + 5·29-s + 5·31-s + 2·33-s + 35-s + 8·37-s + 39-s + 5·41-s − 10·43-s − 2·45-s − 47-s + 49-s + 2·51-s − 2·55-s + 2·57-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.447·5-s + 0.377·7-s − 2/3·9-s − 0.603·11-s − 0.277·13-s − 0.258·15-s − 0.485·17-s − 0.458·19-s − 0.218·21-s + 0.208·23-s + 1/5·25-s + 0.962·27-s + 0.928·29-s + 0.898·31-s + 0.348·33-s + 0.169·35-s + 1.31·37-s + 0.160·39-s + 0.780·41-s − 1.52·43-s − 0.298·45-s − 0.145·47-s + 1/7·49-s + 0.280·51-s − 0.269·55-s + 0.264·57-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 6440 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 6440 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(6440\)    =    \(2^{3} \cdot 5 \cdot 7 \cdot 23\)
Sign: $-1$
Analytic conductor: \(51.4236\)
Root analytic conductor: \(7.17102\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 6440,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - T \)
7 \( 1 - T \)
23 \( 1 - T \)
good3 \( 1 + T + p T^{2} \)
11 \( 1 + 2 T + p T^{2} \)
13 \( 1 + T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 + 2 T + p T^{2} \)
29 \( 1 - 5 T + p T^{2} \)
31 \( 1 - 5 T + p T^{2} \)
37 \( 1 - 8 T + p T^{2} \)
41 \( 1 - 5 T + p T^{2} \)
43 \( 1 + 10 T + p T^{2} \)
47 \( 1 + T + p T^{2} \)
53 \( 1 + p T^{2} \)
59 \( 1 - 4 T + p T^{2} \)
61 \( 1 + 8 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 + T + p T^{2} \)
73 \( 1 + 7 T + p T^{2} \)
79 \( 1 + 14 T + p T^{2} \)
83 \( 1 + 6 T + p T^{2} \)
89 \( 1 + 14 T + p T^{2} \)
97 \( 1 + 2 T + p T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−7.73166728206970448358735069218, −6.77198789307071441579868544501, −6.23801167469960421592070908855, −5.53557329495927395132232128494, −4.87707606094686534424534353214, −4.27175895263185944283460991661, −2.93330683315518774846338933425, −2.43336744503911114873078243772, −1.21342803724043176879352794281, 0, 1.21342803724043176879352794281, 2.43336744503911114873078243772, 2.93330683315518774846338933425, 4.27175895263185944283460991661, 4.87707606094686534424534353214, 5.53557329495927395132232128494, 6.23801167469960421592070908855, 6.77198789307071441579868544501, 7.73166728206970448358735069218

Graph of the $Z$-function along the critical line