Properties

Label 2-342-1.1-c3-0-13
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·2-s + 4·4-s + 19·5-s + 9·7-s + 8·8-s + 38·10-s + 13·11-s + 38·13-s + 18·14-s + 16·16-s − 99·17-s − 19·19-s + 76·20-s + 26·22-s − 68·23-s + 236·25-s + 76·26-s + 36·28-s − 130·29-s + 262·31-s + 32·32-s − 198·34-s + 171·35-s − 296·37-s − 38·38-s + 152·40-s + 8·41-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s + 1.69·5-s + 0.485·7-s + 0.353·8-s + 1.20·10-s + 0.356·11-s + 0.810·13-s + 0.343·14-s + 1/4·16-s − 1.41·17-s − 0.229·19-s + 0.849·20-s + 0.251·22-s − 0.616·23-s + 1.88·25-s + 0.573·26-s + 0.242·28-s − 0.832·29-s + 1.51·31-s + 0.176·32-s − 0.998·34-s + 0.825·35-s − 1.31·37-s − 0.162·38-s + 0.600·40-s + 0.0304·41-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: \(0\)
Selberg data: \((2,\ 342,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(4.155864932\)
\(L(\frac12)\) \(\approx\) \(4.155864932\)
\(L(\frac{5}{2})\) 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 \( 1 - 19 T + p^{3} T^{2} \)
7 \( 1 - 9 T + p^{3} T^{2} \)
11 \( 1 - 13 T + p^{3} T^{2} \)
13 \( 1 - 38 T + p^{3} T^{2} \)
17 \( 1 + 99 T + p^{3} T^{2} \)
23 \( 1 + 68 T + p^{3} T^{2} \)
29 \( 1 + 130 T + p^{3} T^{2} \)
31 \( 1 - 262 T + p^{3} T^{2} \)
37 \( 1 + 8 p T + p^{3} T^{2} \)
41 \( 1 - 8 T + p^{3} T^{2} \)
43 \( 1 - 73 T + p^{3} T^{2} \)
47 \( 1 - 271 T + p^{3} T^{2} \)
53 \( 1 - 502 T + p^{3} T^{2} \)
59 \( 1 + 540 T + p^{3} T^{2} \)
61 \( 1 - 587 T + p^{3} T^{2} \)
67 \( 1 - 684 T + p^{3} T^{2} \)
71 \( 1 + 992 T + p^{3} T^{2} \)
73 \( 1 + 507 T + p^{3} T^{2} \)
79 \( 1 - 980 T + p^{3} T^{2} \)
83 \( 1 - 492 T + p^{3} T^{2} \)
89 \( 1 + 810 T + p^{3} T^{2} \)
97 \( 1 + 1046 T + p^{3} T^{2} \)
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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

−11.05368055090480830879000824458, −10.33259624110105458003403724705, −9.281566863713514158321799515273, −8.407444470006520047535218802038, −6.82491974510227981146805197081, −6.13715598966095037397452676565, −5.25156137320193612903816016479, −4.10399019108168447441436297118, −2.47502364201397248140404160406, −1.53269995033226870726367889351, 1.53269995033226870726367889351, 2.47502364201397248140404160406, 4.10399019108168447441436297118, 5.25156137320193612903816016479, 6.13715598966095037397452676565, 6.82491974510227981146805197081, 8.407444470006520047535218802038, 9.281566863713514158321799515273, 10.33259624110105458003403724705, 11.05368055090480830879000824458

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