Properties

Label 2-342-19.18-c4-0-4
Degree $2$
Conductor $342$
Sign $0.840 + 0.541i$
Analytic cond. $35.3525$
Root an. cond. $5.94579$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.82i·2-s − 8.00·4-s − 41.6·5-s − 62.4·7-s + 22.6i·8-s + 117. i·10-s − 122.·11-s − 68.9i·13-s + 176. i·14-s + 64.0·16-s − 297.·17-s + (−195. + 303. i)19-s + 332.·20-s + 347. i·22-s − 268.·23-s + ⋯
L(s)  = 1  − 0.707i·2-s − 0.500·4-s − 1.66·5-s − 1.27·7-s + 0.353i·8-s + 1.17i·10-s − 1.01·11-s − 0.408i·13-s + 0.900i·14-s + 0.250·16-s − 1.02·17-s + (−0.541 + 0.840i)19-s + 0.832·20-s + 0.718i·22-s − 0.507·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.840 + 0.541i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (0.840 + 0.541i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(342\)    =    \(2 \cdot 3^{2} \cdot 19\)
Sign: $0.840 + 0.541i$
Analytic conductor: \(35.3525\)
Root analytic conductor: \(5.94579\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{342} (37, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 342,\ (\ :2),\ 0.840 + 0.541i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(0.2636931360\)
\(L(\frac12)\) \(\approx\) \(0.2636931360\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + 2.82iT \)
3 \( 1 \)
19 \( 1 + (195. - 303. i)T \)
good5 \( 1 + 41.6T + 625T^{2} \)
7 \( 1 + 62.4T + 2.40e3T^{2} \)
11 \( 1 + 122.T + 1.46e4T^{2} \)
13 \( 1 + 68.9iT - 2.85e4T^{2} \)
17 \( 1 + 297.T + 8.35e4T^{2} \)
23 \( 1 + 268.T + 2.79e5T^{2} \)
29 \( 1 + 561. iT - 7.07e5T^{2} \)
31 \( 1 - 252. iT - 9.23e5T^{2} \)
37 \( 1 + 2.40e3iT - 1.87e6T^{2} \)
41 \( 1 + 690. iT - 2.82e6T^{2} \)
43 \( 1 - 218.T + 3.41e6T^{2} \)
47 \( 1 - 83.1T + 4.87e6T^{2} \)
53 \( 1 - 4.38e3iT - 7.89e6T^{2} \)
59 \( 1 + 476. iT - 1.21e7T^{2} \)
61 \( 1 - 3.96e3T + 1.38e7T^{2} \)
67 \( 1 + 5.11e3iT - 2.01e7T^{2} \)
71 \( 1 - 8.18e3iT - 2.54e7T^{2} \)
73 \( 1 + 7.34e3T + 2.83e7T^{2} \)
79 \( 1 - 1.48e3iT - 3.89e7T^{2} \)
83 \( 1 + 5.34e3T + 4.74e7T^{2} \)
89 \( 1 + 1.11e4iT - 6.27e7T^{2} \)
97 \( 1 + 1.07e3iT - 8.85e7T^{2} \)
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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

−10.82205404124829622272463369161, −10.14370164992412291746353166861, −8.940533683587277106228262355941, −8.054908398123036412868849516385, −7.18917557313868158652253751916, −5.84943031068784135570538889150, −4.35446486310095731372967005768, −3.60321735081259257813228492503, −2.53812175616650603826502296734, −0.34128637855499671756155367090, 0.24438477800554772552297965093, 2.88839049028144617443152947074, 3.98671778366609736595454615714, 4.91784538518384414434834555489, 6.46278318948177679609199451571, 7.07889228103973116824916601280, 8.099383000266909532544385584028, 8.823571154983037405226889400850, 9.968227305783616843920709859569, 11.02468583223399150879832605283

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