Properties

Label 2-639-71.70-c0-0-0
Degree $2$
Conductor $639$
Sign $1$
Analytic cond. $0.318902$
Root an. cond. $0.564714$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.24·2-s + 0.554·4-s + 0.445·5-s + 0.554·8-s − 0.554·10-s − 1.24·16-s + 1.24·19-s + 0.246·20-s − 0.801·25-s + 1.80·29-s + 0.999·32-s + 1.24·37-s − 1.55·38-s + 0.246·40-s − 0.445·43-s + 49-s + 50-s − 2.24·58-s − 71-s − 0.445·73-s − 1.55·74-s + 0.692·76-s − 0.445·79-s − 0.554·80-s − 1.24·83-s + 0.554·86-s + 1.80·89-s + ⋯
L(s)  = 1  − 1.24·2-s + 0.554·4-s + 0.445·5-s + 0.554·8-s − 0.554·10-s − 1.24·16-s + 1.24·19-s + 0.246·20-s − 0.801·25-s + 1.80·29-s + 0.999·32-s + 1.24·37-s − 1.55·38-s + 0.246·40-s − 0.445·43-s + 49-s + 50-s − 2.24·58-s − 71-s − 0.445·73-s − 1.55·74-s + 0.692·76-s − 0.445·79-s − 0.554·80-s − 1.24·83-s + 0.554·86-s + 1.80·89-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 639 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 639 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(639\)    =    \(3^{2} \cdot 71\)
Sign: $1$
Analytic conductor: \(0.318902\)
Root analytic conductor: \(0.564714\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{639} (496, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 639,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.5406311020\)
\(L(\frac12)\) \(\approx\) \(0.5406311020\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
71 \( 1 + T \)
good2 \( 1 + 1.24T + T^{2} \)
5 \( 1 - 0.445T + T^{2} \)
7 \( 1 - T^{2} \)
11 \( 1 - T^{2} \)
13 \( 1 - T^{2} \)
17 \( 1 - T^{2} \)
19 \( 1 - 1.24T + T^{2} \)
23 \( 1 - T^{2} \)
29 \( 1 - 1.80T + T^{2} \)
31 \( 1 - T^{2} \)
37 \( 1 - 1.24T + T^{2} \)
41 \( 1 - T^{2} \)
43 \( 1 + 0.445T + T^{2} \)
47 \( 1 - T^{2} \)
53 \( 1 - T^{2} \)
59 \( 1 - T^{2} \)
61 \( 1 - T^{2} \)
67 \( 1 - T^{2} \)
73 \( 1 + 0.445T + T^{2} \)
79 \( 1 + 0.445T + T^{2} \)
83 \( 1 + 1.24T + T^{2} \)
89 \( 1 - 1.80T + T^{2} \)
97 \( 1 - T^{2} \)
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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

−10.43058593266493346706313290487, −9.833420775873518817936336720201, −9.170241421950823689049236844172, −8.264653899015990838034506744415, −7.53479988776860593174990930549, −6.57025284206264928971284169702, −5.43620883403123476947121773662, −4.28360347967664439419897041164, −2.69641103570264554325485886409, −1.26584969481661945262580678838, 1.26584969481661945262580678838, 2.69641103570264554325485886409, 4.28360347967664439419897041164, 5.43620883403123476947121773662, 6.57025284206264928971284169702, 7.53479988776860593174990930549, 8.264653899015990838034506744415, 9.170241421950823689049236844172, 9.833420775873518817936336720201, 10.43058593266493346706313290487

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