Properties

Label 2-308-1.1-c1-0-3
Degree $2$
Conductor $308$
Sign $1$
Analytic cond. $2.45939$
Root an. cond. $1.56824$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.17·3-s − 0.741·5-s + 7-s + 1.74·9-s + 11-s + 6.91·13-s − 1.61·15-s − 7.27·17-s + 4.35·19-s + 2.17·21-s + 3.09·23-s − 4.45·25-s − 2.74·27-s − 3.83·29-s − 10.5·31-s + 2.17·33-s − 0.741·35-s + 2.74·37-s + 15.0·39-s + 7.27·41-s − 6.35·43-s − 1.29·45-s − 3.43·47-s + 49-s − 15.8·51-s + 1.48·53-s − 0.741·55-s + ⋯
L(s)  = 1  + 1.25·3-s − 0.331·5-s + 0.377·7-s + 0.580·9-s + 0.301·11-s + 1.91·13-s − 0.416·15-s − 1.76·17-s + 0.999·19-s + 0.475·21-s + 0.645·23-s − 0.890·25-s − 0.527·27-s − 0.712·29-s − 1.89·31-s + 0.379·33-s − 0.125·35-s + 0.450·37-s + 2.41·39-s + 1.13·41-s − 0.969·43-s − 0.192·45-s − 0.501·47-s + 0.142·49-s − 2.21·51-s + 0.203·53-s − 0.0999·55-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(308\)    =    \(2^{2} \cdot 7 \cdot 11\)
Sign: $1$
Analytic conductor: \(2.45939\)
Root analytic conductor: \(1.56824\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 308,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.894613734\)
\(L(\frac12)\) \(\approx\) \(1.894613734\)
\(L(\frac{3}{2})\) 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 \( 1 - T \)
11 \( 1 - T \)
good3 \( 1 - 2.17T + 3T^{2} \)
5 \( 1 + 0.741T + 5T^{2} \)
13 \( 1 - 6.91T + 13T^{2} \)
17 \( 1 + 7.27T + 17T^{2} \)
19 \( 1 - 4.35T + 19T^{2} \)
23 \( 1 - 3.09T + 23T^{2} \)
29 \( 1 + 3.83T + 29T^{2} \)
31 \( 1 + 10.5T + 31T^{2} \)
37 \( 1 - 2.74T + 37T^{2} \)
41 \( 1 - 7.27T + 41T^{2} \)
43 \( 1 + 6.35T + 43T^{2} \)
47 \( 1 + 3.43T + 47T^{2} \)
53 \( 1 - 1.48T + 53T^{2} \)
59 \( 1 + 10.1T + 59T^{2} \)
61 \( 1 - 8.40T + 61T^{2} \)
67 \( 1 + 7.09T + 67T^{2} \)
71 \( 1 - 4.57T + 71T^{2} \)
73 \( 1 - 3.27T + 73T^{2} \)
79 \( 1 - 8.87T + 79T^{2} \)
83 \( 1 + 14.5T + 83T^{2} \)
89 \( 1 + 15.9T + 89T^{2} \)
97 \( 1 - 0.386T + 97T^{2} \)
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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

−11.34599066892193024627909126840, −11.07680006310362060239204796059, −9.421287975559228696494609430797, −8.846778275545068922937410317921, −8.081731312542757679368832380004, −7.08878816501079040308285094333, −5.78547542369211224423224850811, −4.16545178166705223662181081057, −3.33850054711156013910832543611, −1.81218389160224456671444937759, 1.81218389160224456671444937759, 3.33850054711156013910832543611, 4.16545178166705223662181081057, 5.78547542369211224423224850811, 7.08878816501079040308285094333, 8.081731312542757679368832380004, 8.846778275545068922937410317921, 9.421287975559228696494609430797, 11.07680006310362060239204796059, 11.34599066892193024627909126840

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