Properties

Label 2-342-1.1-c3-0-22
Degree $2$
Conductor $342$
Sign $-1$
Analytic cond. $20.1786$
Root an. cond. $4.49206$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·2-s + 4·4-s + 9·5-s − 31·7-s + 8·8-s + 18·10-s − 57·11-s − 52·13-s − 62·14-s + 16·16-s − 69·17-s + 19·19-s + 36·20-s − 114·22-s + 72·23-s − 44·25-s − 104·26-s − 124·28-s + 150·29-s + 32·31-s + 32·32-s − 138·34-s − 279·35-s − 226·37-s + 38·38-s + 72·40-s + 258·41-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s + 0.804·5-s − 1.67·7-s + 0.353·8-s + 0.569·10-s − 1.56·11-s − 1.10·13-s − 1.18·14-s + 1/4·16-s − 0.984·17-s + 0.229·19-s + 0.402·20-s − 1.10·22-s + 0.652·23-s − 0.351·25-s − 0.784·26-s − 0.836·28-s + 0.960·29-s + 0.185·31-s + 0.176·32-s − 0.696·34-s − 1.34·35-s − 1.00·37-s + 0.162·38-s + 0.284·40-s + 0.982·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(342\)    =    \(2 \cdot 3^{2} \cdot 19\)
Sign: $-1$
Analytic conductor: \(20.1786\)
Root analytic conductor: \(4.49206\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 342,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p T \)
3 \( 1 \)
19 \( 1 - p T \)
good5 \( 1 - 9 T + p^{3} T^{2} \)
7 \( 1 + 31 T + p^{3} T^{2} \)
11 \( 1 + 57 T + p^{3} T^{2} \)
13 \( 1 + 4 p T + p^{3} T^{2} \)
17 \( 1 + 69 T + p^{3} T^{2} \)
23 \( 1 - 72 T + p^{3} T^{2} \)
29 \( 1 - 150 T + p^{3} T^{2} \)
31 \( 1 - 32 T + p^{3} T^{2} \)
37 \( 1 + 226 T + p^{3} T^{2} \)
41 \( 1 - 258 T + p^{3} T^{2} \)
43 \( 1 + 67 T + p^{3} T^{2} \)
47 \( 1 + 579 T + p^{3} T^{2} \)
53 \( 1 - 432 T + p^{3} T^{2} \)
59 \( 1 - 330 T + p^{3} T^{2} \)
61 \( 1 + 13 T + p^{3} T^{2} \)
67 \( 1 + 856 T + p^{3} T^{2} \)
71 \( 1 + 642 T + p^{3} T^{2} \)
73 \( 1 + 487 T + p^{3} T^{2} \)
79 \( 1 + 700 T + p^{3} T^{2} \)
83 \( 1 - 12 T + p^{3} T^{2} \)
89 \( 1 - 600 T + p^{3} T^{2} \)
97 \( 1 - 1424 T + p^{3} T^{2} \)
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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

−10.34341847202339848520724765005, −10.03494671085738858954730951294, −8.934449254796092156719722387071, −7.44872061679010872930925968877, −6.58791117251959824723248135185, −5.68035013070033519135946723234, −4.71867965872099168335026473277, −3.10280530137574496245859509684, −2.37274408143447097467806081446, 0, 2.37274408143447097467806081446, 3.10280530137574496245859509684, 4.71867965872099168335026473277, 5.68035013070033519135946723234, 6.58791117251959824723248135185, 7.44872061679010872930925968877, 8.934449254796092156719722387071, 10.03494671085738858954730951294, 10.34341847202339848520724765005

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