Properties

Label 2-684-3.2-c2-0-0
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  − 7.04i·5-s − 3.07·7-s + 7.06i·11-s − 21.0·13-s − 2.77i·17-s − 4.35·19-s + 18.0i·23-s − 24.5·25-s + 19.2i·29-s + 7.72·31-s + 21.6i·35-s + 7.60·37-s + 36.9i·41-s + 45.9·43-s + 58.6i·47-s + ⋯
L(s)  = 1  − 1.40i·5-s − 0.439·7-s + 0.642i·11-s − 1.61·13-s − 0.163i·17-s − 0.229·19-s + 0.785i·23-s − 0.983·25-s + 0.663i·29-s + 0.249·31-s + 0.619i·35-s + 0.205·37-s + 0.901i·41-s + 1.06·43-s + 1.24i·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

\(L(\frac{3}{2})\) \(\approx\) \(0.2548859293\)
\(L(\frac12)\) \(\approx\) \(0.2548859293\)
\(L(2)\) 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 \( 1 + 7.04iT - 25T^{2} \)
7 \( 1 + 3.07T + 49T^{2} \)
11 \( 1 - 7.06iT - 121T^{2} \)
13 \( 1 + 21.0T + 169T^{2} \)
17 \( 1 + 2.77iT - 289T^{2} \)
23 \( 1 - 18.0iT - 529T^{2} \)
29 \( 1 - 19.2iT - 841T^{2} \)
31 \( 1 - 7.72T + 961T^{2} \)
37 \( 1 - 7.60T + 1.36e3T^{2} \)
41 \( 1 - 36.9iT - 1.68e3T^{2} \)
43 \( 1 - 45.9T + 1.84e3T^{2} \)
47 \( 1 - 58.6iT - 2.20e3T^{2} \)
53 \( 1 - 23.4iT - 2.80e3T^{2} \)
59 \( 1 - 31.2iT - 3.48e3T^{2} \)
61 \( 1 + 72.8T + 3.72e3T^{2} \)
67 \( 1 + 86.3T + 4.48e3T^{2} \)
71 \( 1 + 117. iT - 5.04e3T^{2} \)
73 \( 1 + 59.1T + 5.32e3T^{2} \)
79 \( 1 + 42.9T + 6.24e3T^{2} \)
83 \( 1 - 30.4iT - 6.88e3T^{2} \)
89 \( 1 + 41.2iT - 7.92e3T^{2} \)
97 \( 1 + 67.6T + 9.40e3T^{2} \)
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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

−10.38204758045499047206996570691, −9.474197159047321915113178866404, −9.137178306583665353335452499576, −7.914818112263549703559585298734, −7.24564856246208856076417101866, −5.99372993616017772145034709613, −4.92872833429092294269493933173, −4.41946176434106755913596854378, −2.84502116866579817883467014236, −1.44752628328879239752694722921, 0.088470561905602449401428179451, 2.35269864540260126078627991704, 3.08144792923977352527011556521, 4.28301413283964657379866591906, 5.61323144830275842364509700362, 6.56342809199362826110204888825, 7.18681490234394158865884002057, 8.107773789522100903098368064484, 9.282305303720476180708846287445, 10.15597626832320573108528598086

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