Properties

Label 2-342-19.18-c4-0-5
Degree $2$
Conductor $342$
Sign $-0.976 - 0.216i$
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 − 26.7·5-s + 51.4·7-s − 22.6i·8-s − 75.5i·10-s + 25.0·11-s − 53.2i·13-s + 145. i·14-s + 64.0·16-s + 24.4·17-s + (−78.0 + 352. i)19-s + 213.·20-s + 70.9i·22-s + 612.·23-s + ⋯
L(s)  = 1  + 0.707i·2-s − 0.500·4-s − 1.06·5-s + 1.04·7-s − 0.353i·8-s − 0.755i·10-s + 0.207·11-s − 0.315i·13-s + 0.742i·14-s + 0.250·16-s + 0.0847·17-s + (−0.216 + 0.976i)19-s + 0.534·20-s + 0.146i·22-s + 1.15·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.976 - 0.216i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 342 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (-0.976 - 0.216i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(342\)    =    \(2 \cdot 3^{2} \cdot 19\)
Sign: $-0.976 - 0.216i$
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: \((2,\ 342,\ (\ :2),\ -0.976 - 0.216i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(0.8976479915\)
\(L(\frac12)\) \(\approx\) \(0.8976479915\)
\(L(3)\) 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 \( 1 + (78.0 - 352. i)T \)
good5 \( 1 + 26.7T + 625T^{2} \)
7 \( 1 - 51.4T + 2.40e3T^{2} \)
11 \( 1 - 25.0T + 1.46e4T^{2} \)
13 \( 1 + 53.2iT - 2.85e4T^{2} \)
17 \( 1 - 24.4T + 8.35e4T^{2} \)
23 \( 1 - 612.T + 2.79e5T^{2} \)
29 \( 1 - 1.34e3iT - 7.07e5T^{2} \)
31 \( 1 + 912. iT - 9.23e5T^{2} \)
37 \( 1 - 325. iT - 1.87e6T^{2} \)
41 \( 1 - 51.7iT - 2.82e6T^{2} \)
43 \( 1 + 2.54e3T + 3.41e6T^{2} \)
47 \( 1 + 2.99e3T + 4.87e6T^{2} \)
53 \( 1 - 4.06e3iT - 7.89e6T^{2} \)
59 \( 1 + 1.07e3iT - 1.21e7T^{2} \)
61 \( 1 + 6.53e3T + 1.38e7T^{2} \)
67 \( 1 - 7.38e3iT - 2.01e7T^{2} \)
71 \( 1 + 5.80e3iT - 2.54e7T^{2} \)
73 \( 1 - 3.62e3T + 2.83e7T^{2} \)
79 \( 1 - 3.90e3iT - 3.89e7T^{2} \)
83 \( 1 - 997.T + 4.74e7T^{2} \)
89 \( 1 - 6.15e3iT - 6.27e7T^{2} \)
97 \( 1 - 5.02e3iT - 8.85e7T^{2} \)
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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

−11.35977187281176694724203312632, −10.50045340101451223163813910169, −9.180923538319786777598390758131, −8.184892610540386852481092478407, −7.72903607467835718506491025884, −6.67451156764738482974228233641, −5.34962326987290931042885368799, −4.46887358905353126001513638915, −3.36485011581419257762312239246, −1.33869374863725754631994652274, 0.28898870728559711450147541191, 1.69326940337385670972221626952, 3.16238184890857202105181457884, 4.33863789148660415200738568156, 5.05172133468867353999806576680, 6.73967613798448917338676630906, 7.86091593233893095415288114782, 8.541181490031506070527429486350, 9.565725142560374721736364148646, 10.80813294053581186042533197265

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