Properties

Label 2-1288-1.1-c1-0-17
Degree $2$
Conductor $1288$
Sign $1$
Analytic cond. $10.2847$
Root an. cond. $3.20698$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·3-s + 2·5-s + 7-s + 9-s + 2·11-s + 4·13-s + 4·15-s − 2·17-s + 2·21-s + 23-s − 25-s − 4·27-s − 2·29-s + 4·33-s + 2·35-s − 4·37-s + 8·39-s + 6·41-s + 2·43-s + 2·45-s + 4·47-s + 49-s − 4·51-s + 4·55-s + 2·59-s − 10·61-s + 63-s + ⋯
L(s)  = 1  + 1.15·3-s + 0.894·5-s + 0.377·7-s + 1/3·9-s + 0.603·11-s + 1.10·13-s + 1.03·15-s − 0.485·17-s + 0.436·21-s + 0.208·23-s − 1/5·25-s − 0.769·27-s − 0.371·29-s + 0.696·33-s + 0.338·35-s − 0.657·37-s + 1.28·39-s + 0.937·41-s + 0.304·43-s + 0.298·45-s + 0.583·47-s + 1/7·49-s − 0.560·51-s + 0.539·55-s + 0.260·59-s − 1.28·61-s + 0.125·63-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1288 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1288 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1288\)    =    \(2^{3} \cdot 7 \cdot 23\)
Sign: $1$
Analytic conductor: \(10.2847\)
Root analytic conductor: \(3.20698\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1288,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.076717033\)
\(L(\frac12)\) \(\approx\) \(3.076717033\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

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

−9.285698479120796413148588078333, −9.016917703525192158700193739397, −8.219999410090880743771516627849, −7.35688181088306878184242960478, −6.29332429532612070908675608623, −5.60861667256053636796846429014, −4.31570327029482052943750750509, −3.43973210784164728578386989669, −2.36115174393216724794363682538, −1.47018544701661058451472686608, 1.47018544701661058451472686608, 2.36115174393216724794363682538, 3.43973210784164728578386989669, 4.31570327029482052943750750509, 5.60861667256053636796846429014, 6.29332429532612070908675608623, 7.35688181088306878184242960478, 8.219999410090880743771516627849, 9.016917703525192158700193739397, 9.285698479120796413148588078333

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