Properties

Label 2-684-4.3-c2-0-30
Degree $2$
Conductor $684$
Sign $0.999 + 0.0135i$
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  + (1.42 − 1.40i)2-s + (0.0543 − 3.99i)4-s − 5.95·5-s + 3.23i·7-s + (−5.54 − 5.77i)8-s + (−8.48 + 8.36i)10-s + 19.4i·11-s + 24.4·13-s + (4.54 + 4.60i)14-s + (−15.9 − 0.434i)16-s − 0.948·17-s + 4.35i·19-s + (−0.323 + 23.8i)20-s + (27.2 + 27.6i)22-s + 11.5i·23-s + ⋯
L(s)  = 1  + (0.711 − 0.702i)2-s + (0.0135 − 0.999i)4-s − 1.19·5-s + 0.462i·7-s + (−0.692 − 0.721i)8-s + (−0.848 + 0.836i)10-s + 1.76i·11-s + 1.87·13-s + (0.324 + 0.329i)14-s + (−0.999 − 0.0271i)16-s − 0.0558·17-s + 0.229i·19-s + (−0.0161 + 1.19i)20-s + (1.23 + 1.25i)22-s + 0.503i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.999 + 0.0135i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 684 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.999 + 0.0135i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(684\)    =    \(2^{2} \cdot 3^{2} \cdot 19\)
Sign: $0.999 + 0.0135i$
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: \((2,\ 684,\ (\ :1),\ 0.999 + 0.0135i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.020362204\)
\(L(\frac12)\) \(\approx\) \(2.020362204\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1.42 + 1.40i)T \)
3 \( 1 \)
19 \( 1 - 4.35iT \)
good5 \( 1 + 5.95T + 25T^{2} \)
7 \( 1 - 3.23iT - 49T^{2} \)
11 \( 1 - 19.4iT - 121T^{2} \)
13 \( 1 - 24.4T + 169T^{2} \)
17 \( 1 + 0.948T + 289T^{2} \)
23 \( 1 - 11.5iT - 529T^{2} \)
29 \( 1 - 37.6T + 841T^{2} \)
31 \( 1 + 24.2iT - 961T^{2} \)
37 \( 1 - 25.7T + 1.36e3T^{2} \)
41 \( 1 - 24.1T + 1.68e3T^{2} \)
43 \( 1 + 13.1iT - 1.84e3T^{2} \)
47 \( 1 - 32.7iT - 2.20e3T^{2} \)
53 \( 1 + 16.3T + 2.80e3T^{2} \)
59 \( 1 - 58.8iT - 3.48e3T^{2} \)
61 \( 1 + 25.0T + 3.72e3T^{2} \)
67 \( 1 - 91.2iT - 4.48e3T^{2} \)
71 \( 1 - 90.9iT - 5.04e3T^{2} \)
73 \( 1 - 35.7T + 5.32e3T^{2} \)
79 \( 1 - 86.9iT - 6.24e3T^{2} \)
83 \( 1 - 8.80iT - 6.88e3T^{2} \)
89 \( 1 + 148.T + 7.92e3T^{2} \)
97 \( 1 - 192.T + 9.40e3T^{2} \)
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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

−10.49318448540563024449528095325, −9.582751672128752714954868633467, −8.632852132246901870812748143368, −7.62929407454529582712059429338, −6.59598342443340847515589666881, −5.61477561961166474324117756507, −4.35870406013956078692355860204, −3.91370868334067736070004302341, −2.61294195598024960292970462082, −1.23160907272042267478199612930, 0.67407263190508048494997105613, 3.17936028835878126427434456482, 3.71171827291520303881473501689, 4.66395334491039645673841576540, 5.98032898865349527089143041115, 6.54417613497007012418812584294, 7.72391026490649314592332676960, 8.384678208270557476542273643586, 8.862744031032430705060084412416, 10.73569070553896881151034731117

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