Properties

Label 2-342-1.1-c1-0-4
Degree $2$
Conductor $342$
Sign $1$
Analytic cond. $2.73088$
Root an. cond. $1.65253$
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-s + 4-s + 2·5-s + 8-s + 2·10-s + 2·11-s − 4·13-s + 16-s − 19-s + 2·20-s + 2·22-s + 8·23-s − 25-s − 4·26-s − 2·29-s − 2·31-s + 32-s − 8·37-s − 38-s + 2·40-s − 2·41-s + 4·43-s + 2·44-s + 8·46-s − 4·47-s − 7·49-s − 50-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s + 0.894·5-s + 0.353·8-s + 0.632·10-s + 0.603·11-s − 1.10·13-s + 1/4·16-s − 0.229·19-s + 0.447·20-s + 0.426·22-s + 1.66·23-s − 1/5·25-s − 0.784·26-s − 0.371·29-s − 0.359·31-s + 0.176·32-s − 1.31·37-s − 0.162·38-s + 0.316·40-s − 0.312·41-s + 0.609·43-s + 0.301·44-s + 1.17·46-s − 0.583·47-s − 49-s − 0.141·50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(342\)    =    \(2 \cdot 3^{2} \cdot 19\)
Sign: $1$
Analytic conductor: \(2.73088\)
Root analytic conductor: \(1.65253\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 342,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.237563715\)
\(L(\frac12)\) \(\approx\) \(2.237563715\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
3 \( 1 \)
19 \( 1 + T \)
good5 \( 1 - 2 T + p T^{2} \)
7 \( 1 + p T^{2} \)
11 \( 1 - 2 T + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 + p T^{2} \)
23 \( 1 - 8 T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 + 2 T + p T^{2} \)
37 \( 1 + 8 T + p T^{2} \)
41 \( 1 + 2 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + 4 T + p T^{2} \)
53 \( 1 - 2 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 + p T^{2} \)
71 \( 1 + 16 T + p T^{2} \)
73 \( 1 - 6 T + p T^{2} \)
79 \( 1 - 14 T + p T^{2} \)
83 \( 1 + 6 T + p T^{2} \)
89 \( 1 + 18 T + p T^{2} \)
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

−11.65314297553202694819366730155, −10.67137801203704435709118691628, −9.726493160639635780030466105686, −8.902474420814486458148417198970, −7.43472461846693450494480621223, −6.59001220829617312734896517440, −5.53295861295123136716745752833, −4.64180517544954192308318972299, −3.17827142125620977279897528792, −1.85086593928300837816640591535, 1.85086593928300837816640591535, 3.17827142125620977279897528792, 4.64180517544954192308318972299, 5.53295861295123136716745752833, 6.59001220829617312734896517440, 7.43472461846693450494480621223, 8.902474420814486458148417198970, 9.726493160639635780030466105686, 10.67137801203704435709118691628, 11.65314297553202694819366730155

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