Properties

Label 2-208-1.1-c1-0-5
Degree $2$
Conductor $208$
Sign $-1$
Analytic cond. $1.66088$
Root an. cond. $1.28875$
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 − 5·7-s − 2·9-s + 2·11-s − 13-s + 15-s − 3·17-s + 2·19-s + 5·21-s − 4·23-s − 4·25-s + 5·27-s − 6·29-s + 4·31-s − 2·33-s + 5·35-s + 11·37-s + 39-s + 8·41-s + 43-s + 2·45-s − 9·47-s + 18·49-s + 3·51-s − 12·53-s − 2·55-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.447·5-s − 1.88·7-s − 2/3·9-s + 0.603·11-s − 0.277·13-s + 0.258·15-s − 0.727·17-s + 0.458·19-s + 1.09·21-s − 0.834·23-s − 4/5·25-s + 0.962·27-s − 1.11·29-s + 0.718·31-s − 0.348·33-s + 0.845·35-s + 1.80·37-s + 0.160·39-s + 1.24·41-s + 0.152·43-s + 0.298·45-s − 1.31·47-s + 18/7·49-s + 0.420·51-s − 1.64·53-s − 0.269·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 208 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 208 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(208\)    =    \(2^{4} \cdot 13\)
Sign: $-1$
Analytic conductor: \(1.66088\)
Root analytic conductor: \(1.28875\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 208,\ (\ :1/2),\ -1)\)

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 \( 1 \)
13 \( 1 + T \)
good3 \( 1 + T + p T^{2} \)
5 \( 1 + T + p T^{2} \)
7 \( 1 + 5 T + p T^{2} \)
11 \( 1 - 2 T + p T^{2} \)
17 \( 1 + 3 T + p T^{2} \)
19 \( 1 - 2 T + p T^{2} \)
23 \( 1 + 4 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 - 4 T + p T^{2} \)
37 \( 1 - 11 T + p T^{2} \)
41 \( 1 - 8 T + p T^{2} \)
43 \( 1 - T + p T^{2} \)
47 \( 1 + 9 T + p T^{2} \)
53 \( 1 + 12 T + p T^{2} \)
59 \( 1 + 6 T + p T^{2} \)
61 \( 1 + p T^{2} \)
67 \( 1 + 6 T + p T^{2} \)
71 \( 1 + 7 T + p T^{2} \)
73 \( 1 + 2 T + p T^{2} \)
79 \( 1 + 12 T + p T^{2} \)
83 \( 1 - 16 T + p T^{2} \)
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

−11.89074471324911579422736349153, −11.11247624803048321318765362970, −9.822337358396720600057739846210, −9.192968041845742079013702027529, −7.74969917443740327809424196061, −6.47800053392196071138964912551, −5.90495037317248100686416791938, −4.17978609463531179755283405261, −2.93919437468071375351517854482, 0, 2.93919437468071375351517854482, 4.17978609463531179755283405261, 5.90495037317248100686416791938, 6.47800053392196071138964912551, 7.74969917443740327809424196061, 9.192968041845742079013702027529, 9.822337358396720600057739846210, 11.11247624803048321318765362970, 11.89074471324911579422736349153

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