Properties

Label 2-684-4.3-c2-0-33
Degree $2$
Conductor $684$
Sign $-0.866 - 0.5i$
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 + 1.73i)2-s + (−1.99 + 3.46i)4-s + 8.54·5-s + 3.04i·7-s − 7.99·8-s + (8.54 + 14.8i)10-s + 13.0i·11-s − 21.8·13-s + (−5.27 + 3.04i)14-s + (−8 − 13.8i)16-s + 7.27·17-s − 4.35i·19-s + (−17.0 + 29.6i)20-s + (−22.5 + 13.0i)22-s + 31.8i·23-s + ⋯
L(s)  = 1  + (0.5 + 0.866i)2-s + (−0.499 + 0.866i)4-s + 1.70·5-s + 0.435i·7-s − 0.999·8-s + (0.854 + 1.48i)10-s + 1.18i·11-s − 1.67·13-s + (−0.376 + 0.217i)14-s + (−0.5 − 0.866i)16-s + 0.427·17-s − 0.229i·19-s + (−0.854 + 1.48i)20-s + (−1.02 + 0.591i)22-s + 1.38i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.866 - 0.5i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (-0.866 - 0.5i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $-0.866 - 0.5i$
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: \((2,\ 684,\ (\ :1),\ -0.866 - 0.5i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.525827848\)
\(L(\frac12)\) \(\approx\) \(2.525827848\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1 - 1.73i)T \)
3 \( 1 \)
19 \( 1 + 4.35iT \)
good5 \( 1 - 8.54T + 25T^{2} \)
7 \( 1 - 3.04iT - 49T^{2} \)
11 \( 1 - 13.0iT - 121T^{2} \)
13 \( 1 + 21.8T + 169T^{2} \)
17 \( 1 - 7.27T + 289T^{2} \)
23 \( 1 - 31.8iT - 529T^{2} \)
29 \( 1 + 4.37T + 841T^{2} \)
31 \( 1 - 21.0iT - 961T^{2} \)
37 \( 1 - 24.1T + 1.36e3T^{2} \)
41 \( 1 + 6.74T + 1.68e3T^{2} \)
43 \( 1 - 14.0iT - 1.84e3T^{2} \)
47 \( 1 - 59.0iT - 2.20e3T^{2} \)
53 \( 1 - 26.9T + 2.80e3T^{2} \)
59 \( 1 + 76.7iT - 3.48e3T^{2} \)
61 \( 1 + 16.9T + 3.72e3T^{2} \)
67 \( 1 + 31.2iT - 4.48e3T^{2} \)
71 \( 1 + 25.4iT - 5.04e3T^{2} \)
73 \( 1 + 110.T + 5.32e3T^{2} \)
79 \( 1 + 104. iT - 6.24e3T^{2} \)
83 \( 1 + 0.376iT - 6.88e3T^{2} \)
89 \( 1 - 47.8T + 7.92e3T^{2} \)
97 \( 1 - 93.6T + 9.40e3T^{2} \)
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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

−10.26256024100155103580706971468, −9.523608470824817653532408939418, −9.179269949557848758176932921814, −7.71679659768502757306236894125, −7.04341663545547525725686426309, −6.06422327124126257488914404153, −5.27967446528227925270722538712, −4.66692326367219900741325861307, −2.92644962434769505563874399702, −1.94609867323075399952647902889, 0.73218352613788624972160787084, 2.14085629737777073224648067323, 2.89797425856664528825973240516, 4.34617254332896330739044155155, 5.41136006719883589115554428117, 5.95693612747573053155497732611, 7.02119856117028603434874896091, 8.535155262354102836403935961579, 9.396526678589020140777204668559, 10.16886912523226977048334230145

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