Properties

Label 2-684-3.2-c2-0-11
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  − 7.53i·5-s + 5.18·7-s − 20.8i·11-s + 5.35·13-s + 8.47i·17-s − 4.35·19-s + 22.0i·23-s − 31.7·25-s − 34.4i·29-s − 35.1·31-s − 39.0i·35-s + 15.3·37-s + 19.8i·41-s + 24.9·43-s − 11.0i·47-s + ⋯
L(s)  = 1  − 1.50i·5-s + 0.740·7-s − 1.89i·11-s + 0.412·13-s + 0.498i·17-s − 0.229·19-s + 0.956i·23-s − 1.27·25-s − 1.18i·29-s − 1.13·31-s − 1.11i·35-s + 0.413·37-s + 0.484i·41-s + 0.580·43-s − 0.236i·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

\(L(\frac{3}{2})\) \(\approx\) \(1.676261592\)
\(L(\frac12)\) \(\approx\) \(1.676261592\)
\(L(2)\) 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 \( 1 + 7.53iT - 25T^{2} \)
7 \( 1 - 5.18T + 49T^{2} \)
11 \( 1 + 20.8iT - 121T^{2} \)
13 \( 1 - 5.35T + 169T^{2} \)
17 \( 1 - 8.47iT - 289T^{2} \)
23 \( 1 - 22.0iT - 529T^{2} \)
29 \( 1 + 34.4iT - 841T^{2} \)
31 \( 1 + 35.1T + 961T^{2} \)
37 \( 1 - 15.3T + 1.36e3T^{2} \)
41 \( 1 - 19.8iT - 1.68e3T^{2} \)
43 \( 1 - 24.9T + 1.84e3T^{2} \)
47 \( 1 + 11.0iT - 2.20e3T^{2} \)
53 \( 1 + 90.7iT - 2.80e3T^{2} \)
59 \( 1 - 51.2iT - 3.48e3T^{2} \)
61 \( 1 + 47.6T + 3.72e3T^{2} \)
67 \( 1 - 4.34T + 4.48e3T^{2} \)
71 \( 1 + 30.5iT - 5.04e3T^{2} \)
73 \( 1 - 79.8T + 5.32e3T^{2} \)
79 \( 1 + 152.T + 6.24e3T^{2} \)
83 \( 1 - 22.6iT - 6.88e3T^{2} \)
89 \( 1 + 134. iT - 7.92e3T^{2} \)
97 \( 1 + 32.4T + 9.40e3T^{2} \)
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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

−9.847435170105766763567307448126, −8.818024528328823341679370665211, −8.445044459955360424388801977195, −7.68175548566284058410390756132, −6.05137313346055909383723393323, −5.50876112746500586172580539641, −4.46683024100138825893202938936, −3.46857254505810325195477424771, −1.68450523489865902457231668626, −0.60854912148259470129057392168, 1.80957691891340475328426439226, 2.78469577584006922933283510414, 4.08814112793701673860561289126, 5.04525063163241990846053122298, 6.34758890731985809799879243985, 7.16162268264113718085429954277, 7.64678996791361005043311092276, 8.931802246087450306027110763297, 9.881262683150835577208347773823, 10.69130262758632886004539926789

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