Properties

Label 2-684-3.2-c2-0-1
Degree $2$
Conductor $684$
Sign $-0.577 - 0.816i$
Analytic cond. $18.6376$
Root an. cond. $4.31713$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3.29i·5-s − 2.46·7-s − 10.4i·11-s + 2.93·13-s + 27.8i·17-s − 4.35·19-s + 24.3i·23-s + 14.1·25-s + 7.80i·29-s − 17.4·31-s − 8.11i·35-s − 48.3·37-s + 51.2i·41-s − 82.7·43-s − 22.2i·47-s + ⋯
L(s)  = 1  + 0.659i·5-s − 0.351·7-s − 0.946i·11-s + 0.225·13-s + 1.63i·17-s − 0.229·19-s + 1.05i·23-s + 0.565·25-s + 0.269i·29-s − 0.562·31-s − 0.231i·35-s − 1.30·37-s + 1.24i·41-s − 1.92·43-s − 0.472i·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.577 - 0.816i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.577 - 0.816i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $-0.577 - 0.816i$
Analytic conductor: \(18.6376\)
Root analytic conductor: \(4.31713\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{684} (305, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 684,\ (\ :1),\ -0.577 - 0.816i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.028223706\)
\(L(\frac12)\) \(\approx\) \(1.028223706\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
19 \( 1 + 4.35T \)
good5 \( 1 - 3.29iT - 25T^{2} \)
7 \( 1 + 2.46T + 49T^{2} \)
11 \( 1 + 10.4iT - 121T^{2} \)
13 \( 1 - 2.93T + 169T^{2} \)
17 \( 1 - 27.8iT - 289T^{2} \)
23 \( 1 - 24.3iT - 529T^{2} \)
29 \( 1 - 7.80iT - 841T^{2} \)
31 \( 1 + 17.4T + 961T^{2} \)
37 \( 1 + 48.3T + 1.36e3T^{2} \)
41 \( 1 - 51.2iT - 1.68e3T^{2} \)
43 \( 1 + 82.7T + 1.84e3T^{2} \)
47 \( 1 + 22.2iT - 2.20e3T^{2} \)
53 \( 1 - 16.6iT - 2.80e3T^{2} \)
59 \( 1 - 49.5iT - 3.48e3T^{2} \)
61 \( 1 - 16.9T + 3.72e3T^{2} \)
67 \( 1 + 1.05T + 4.48e3T^{2} \)
71 \( 1 - 79.0iT - 5.04e3T^{2} \)
73 \( 1 + 53.4T + 5.32e3T^{2} \)
79 \( 1 - 137.T + 6.24e3T^{2} \)
83 \( 1 + 4.56iT - 6.88e3T^{2} \)
89 \( 1 - 120. iT - 7.92e3T^{2} \)
97 \( 1 - 13.4T + 9.40e3T^{2} \)
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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

−10.65008732846234935815112501084, −9.848035034454392408125435367331, −8.740465899375545314772314326323, −8.094225015045343909263308290379, −6.89818291598668626334738998818, −6.23043213173808628875712878237, −5.28969619140412861107806429154, −3.78821880982289900694353232638, −3.11934220337638689486526870576, −1.56571743584623185652863554662, 0.36238574840059989202123130944, 1.95829754866115195545942750463, 3.28164930282459399405741795900, 4.61413115537447199399921992362, 5.20205915790930487869625359162, 6.56756512673050986937382939026, 7.23760182654263700092186249694, 8.373648316353537210232111955153, 9.149530921913736933459015614879, 9.872957036007929229964014939876

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