Properties

Label 2-308-308.307-c0-0-0
Degree $2$
Conductor $308$
Sign $1$
Analytic cond. $0.153712$
Root an. cond. $0.392061$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s + 4-s + 7-s − 8-s − 9-s + 11-s − 14-s + 16-s + 18-s − 22-s + 25-s + 28-s − 32-s − 36-s − 2·37-s − 2·43-s + 44-s + 49-s − 50-s − 2·53-s − 56-s − 63-s + 64-s + 72-s + 2·74-s + 77-s − 2·79-s + ⋯
L(s)  = 1  − 2-s + 4-s + 7-s − 8-s − 9-s + 11-s − 14-s + 16-s + 18-s − 22-s + 25-s + 28-s − 32-s − 36-s − 2·37-s − 2·43-s + 44-s + 49-s − 50-s − 2·53-s − 56-s − 63-s + 64-s + 72-s + 2·74-s + 77-s − 2·79-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 308 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 308 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(308\)    =    \(2^{2} \cdot 7 \cdot 11\)
Sign: $1$
Analytic conductor: \(0.153712\)
Root analytic conductor: \(0.392061\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{308} (307, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 308,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.5606699344\)
\(L(\frac12)\) \(\approx\) \(0.5606699344\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

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

−11.59508229068300331389283906517, −11.06949408754802463573739071329, −10.03361942961181878560731934145, −8.817683577267440290711413410854, −8.457616120483445713229058220927, −7.25990447407810617158114688362, −6.26303092825416067817048066405, −5.03389402404637893347715683091, −3.26460966876935290618034281553, −1.68088718624522364020573535673, 1.68088718624522364020573535673, 3.26460966876935290618034281553, 5.03389402404637893347715683091, 6.26303092825416067817048066405, 7.25990447407810617158114688362, 8.457616120483445713229058220927, 8.817683577267440290711413410854, 10.03361942961181878560731934145, 11.06949408754802463573739071329, 11.59508229068300331389283906517

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