Properties

Label 2-342-1.1-c7-0-50
Degree $2$
Conductor $342$
Sign $-1$
Analytic cond. $106.835$
Root an. cond. $10.3361$
Motivic weight $7$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 8·2-s + 64·4-s + 135·5-s + 71·7-s + 512·8-s + 1.08e3·10-s + 543·11-s − 3.83e3·13-s + 568·14-s + 4.09e3·16-s − 3.56e4·17-s + 6.85e3·19-s + 8.64e3·20-s + 4.34e3·22-s + 1.03e4·23-s − 5.99e4·25-s − 3.07e4·26-s + 4.54e3·28-s − 2.48e5·29-s + 1.05e5·31-s + 3.27e4·32-s − 2.85e5·34-s + 9.58e3·35-s + 2.45e4·37-s + 5.48e4·38-s + 6.91e4·40-s + 7.12e5·41-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s + 0.482·5-s + 0.0782·7-s + 0.353·8-s + 0.341·10-s + 0.123·11-s − 0.484·13-s + 0.0553·14-s + 1/4·16-s − 1.76·17-s + 0.229·19-s + 0.241·20-s + 0.0869·22-s + 0.176·23-s − 0.766·25-s − 0.342·26-s + 0.0391·28-s − 1.89·29-s + 0.634·31-s + 0.176·32-s − 1.24·34-s + 0.0377·35-s + 0.0796·37-s + 0.162·38-s + 0.170·40-s + 1.61·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(342\)    =    \(2 \cdot 3^{2} \cdot 19\)
Sign: $-1$
Analytic conductor: \(106.835\)
Root analytic conductor: \(10.3361\)
Motivic weight: \(7\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 342,\ (\ :7/2),\ -1)\)

Particular Values

\(L(4)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{9}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p^{3} T \)
3 \( 1 \)
19 \( 1 - p^{3} T \)
good5 \( 1 - 27 p T + p^{7} T^{2} \)
7 \( 1 - 71 T + p^{7} T^{2} \)
11 \( 1 - 543 T + p^{7} T^{2} \)
13 \( 1 + 3838 T + p^{7} T^{2} \)
17 \( 1 + 35691 T + p^{7} T^{2} \)
23 \( 1 - 10308 T + p^{7} T^{2} \)
29 \( 1 + 248670 T + p^{7} T^{2} \)
31 \( 1 - 105242 T + p^{7} T^{2} \)
37 \( 1 - 24536 T + p^{7} T^{2} \)
41 \( 1 - 712008 T + p^{7} T^{2} \)
43 \( 1 + 539893 T + p^{7} T^{2} \)
47 \( 1 + 183231 T + p^{7} T^{2} \)
53 \( 1 + 589242 T + p^{7} T^{2} \)
59 \( 1 - 2722680 T + p^{7} T^{2} \)
61 \( 1 + 3186073 T + p^{7} T^{2} \)
67 \( 1 - 702176 T + p^{7} T^{2} \)
71 \( 1 - 3058428 T + p^{7} T^{2} \)
73 \( 1 + 4798483 T + p^{7} T^{2} \)
79 \( 1 - 1638440 T + p^{7} T^{2} \)
83 \( 1 + 997332 T + p^{7} T^{2} \)
89 \( 1 + 8572890 T + p^{7} T^{2} \)
97 \( 1 + 185194 T + p^{7} T^{2} \)
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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

−9.868900823498252085480584016082, −9.054498283400349122518321081170, −7.79797626759191364596637445732, −6.79444402100676782310486979299, −5.91256388415275175276307057418, −4.88695946935762644338429072391, −3.92800376040899476266150045374, −2.58492104220481390180595944881, −1.68317106919808438888480782907, 0, 1.68317106919808438888480782907, 2.58492104220481390180595944881, 3.92800376040899476266150045374, 4.88695946935762644338429072391, 5.91256388415275175276307057418, 6.79444402100676782310486979299, 7.79797626759191364596637445732, 9.054498283400349122518321081170, 9.868900823498252085480584016082

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