Properties

Label 2-684-4.3-c2-0-82
Degree $2$
Conductor $684$
Sign $-0.600 + 0.799i$
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  + (1.89 + 0.632i)2-s + (3.19 + 2.40i)4-s − 5.79·5-s − 5.87i·7-s + (4.55 + 6.57i)8-s + (−10.9 − 3.66i)10-s − 8.07i·11-s − 14.0·13-s + (3.71 − 11.1i)14-s + (4.47 + 15.3i)16-s − 29.9·17-s − 4.35i·19-s + (−18.5 − 13.9i)20-s + (5.11 − 15.3i)22-s − 8.74i·23-s + ⋯
L(s)  = 1  + (0.948 + 0.316i)2-s + (0.799 + 0.600i)4-s − 1.15·5-s − 0.839i·7-s + (0.568 + 0.822i)8-s + (−1.09 − 0.366i)10-s − 0.734i·11-s − 1.07·13-s + (0.265 − 0.796i)14-s + (0.279 + 0.960i)16-s − 1.76·17-s − 0.229i·19-s + (−0.926 − 0.695i)20-s + (0.232 − 0.696i)22-s − 0.380i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.600 + 0.799i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.600 + 0.799i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $-0.600 + 0.799i$
Analytic conductor: \(18.6376\)
Root analytic conductor: \(4.31713\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{684} (343, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 684,\ (\ :1),\ -0.600 + 0.799i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.7763582988\)
\(L(\frac12)\) \(\approx\) \(0.7763582988\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1.89 - 0.632i)T \)
3 \( 1 \)
19 \( 1 + 4.35iT \)
good5 \( 1 + 5.79T + 25T^{2} \)
7 \( 1 + 5.87iT - 49T^{2} \)
11 \( 1 + 8.07iT - 121T^{2} \)
13 \( 1 + 14.0T + 169T^{2} \)
17 \( 1 + 29.9T + 289T^{2} \)
23 \( 1 + 8.74iT - 529T^{2} \)
29 \( 1 + 13.4T + 841T^{2} \)
31 \( 1 + 7.65iT - 961T^{2} \)
37 \( 1 - 25.1T + 1.36e3T^{2} \)
41 \( 1 + 49.6T + 1.68e3T^{2} \)
43 \( 1 + 47.2iT - 1.84e3T^{2} \)
47 \( 1 + 46.8iT - 2.20e3T^{2} \)
53 \( 1 - 14.1T + 2.80e3T^{2} \)
59 \( 1 + 100. iT - 3.48e3T^{2} \)
61 \( 1 + 31.1T + 3.72e3T^{2} \)
67 \( 1 - 34.5iT - 4.48e3T^{2} \)
71 \( 1 - 66.0iT - 5.04e3T^{2} \)
73 \( 1 + 27.5T + 5.32e3T^{2} \)
79 \( 1 - 40.9iT - 6.24e3T^{2} \)
83 \( 1 - 87.8iT - 6.88e3T^{2} \)
89 \( 1 + 28.6T + 7.92e3T^{2} \)
97 \( 1 - 9.35T + 9.40e3T^{2} \)
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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

−10.27460907048141534860468974051, −8.816708087425752748690585452513, −7.981540790834291374131662232763, −7.17295082956104503633999266284, −6.58721087868663229100104930547, −5.20588417389213265377166237913, −4.30193143146240871483577303245, −3.66284279304861414067343593796, −2.37805401329468711648689146697, −0.18301970378896940961949315850, 1.98095072851468236612814515811, 2.98854177318842672738083661514, 4.27558918242613843529477858400, 4.79676865670567589319238363429, 5.99500693805081026800544529153, 7.04032624703013826174706930205, 7.71107378685949767871052709750, 8.929353411897756554128607779686, 9.843362871435117468652199501269, 10.90460754386351661717676597326

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