Properties

Label 2-1999-1999.1998-c0-0-0
Degree $2$
Conductor $1999$
Sign $1$
Analytic cond. $0.997630$
Root an. cond. $0.998814$
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  − 2-s − 1.87·5-s + 8-s + 9-s + 1.87·10-s + 0.347·11-s − 1.87·13-s − 16-s − 18-s − 0.347·22-s − 1.87·23-s + 2.53·25-s + 1.87·26-s + 1.53·31-s + 0.347·37-s − 1.87·40-s − 41-s − 1.87·45-s + 1.87·46-s + 49-s − 2.53·50-s + 1.53·53-s − 0.652·55-s + 0.347·59-s + 0.347·61-s − 1.53·62-s + 64-s + ⋯
L(s)  = 1  − 2-s − 1.87·5-s + 8-s + 9-s + 1.87·10-s + 0.347·11-s − 1.87·13-s − 16-s − 18-s − 0.347·22-s − 1.87·23-s + 2.53·25-s + 1.87·26-s + 1.53·31-s + 0.347·37-s − 1.87·40-s − 41-s − 1.87·45-s + 1.87·46-s + 49-s − 2.53·50-s + 1.53·53-s − 0.652·55-s + 0.347·59-s + 0.347·61-s − 1.53·62-s + 64-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1999 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1999 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1999\)
Sign: $1$
Analytic conductor: \(0.997630\)
Root analytic conductor: \(0.998814\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{1999} (1998, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1999,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.3681781978\)
\(L(\frac12)\) \(\approx\) \(0.3681781978\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad1999 \( 1 - T \)
good2 \( 1 + T + T^{2} \)
3 \( 1 - T^{2} \)
5 \( 1 + 1.87T + T^{2} \)
7 \( 1 - T^{2} \)
11 \( 1 - 0.347T + T^{2} \)
13 \( 1 + 1.87T + T^{2} \)
17 \( 1 - T^{2} \)
19 \( 1 - T^{2} \)
23 \( 1 + 1.87T + T^{2} \)
29 \( 1 - T^{2} \)
31 \( 1 - 1.53T + T^{2} \)
37 \( 1 - 0.347T + T^{2} \)
41 \( 1 + T + T^{2} \)
43 \( 1 - T^{2} \)
47 \( 1 - T^{2} \)
53 \( 1 - 1.53T + T^{2} \)
59 \( 1 - 0.347T + T^{2} \)
61 \( 1 - 0.347T + T^{2} \)
67 \( 1 - T^{2} \)
71 \( 1 - 1.53T + T^{2} \)
73 \( 1 - T^{2} \)
79 \( 1 - 2T + T^{2} \)
83 \( 1 - T^{2} \)
89 \( 1 - T^{2} \)
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

−9.374859577922917046390072306298, −8.342792734355486834706165437618, −7.919657173159473678276312491853, −7.30113857171750459893400983582, −6.73551704706833224973329780614, −5.00036671974030765248928438610, −4.34902647146543916775006278267, −3.77974589857458791413670290096, −2.25984212385598957636981139227, −0.68779805840383870749055707763, 0.68779805840383870749055707763, 2.25984212385598957636981139227, 3.77974589857458791413670290096, 4.34902647146543916775006278267, 5.00036671974030765248928438610, 6.73551704706833224973329780614, 7.30113857171750459893400983582, 7.919657173159473678276312491853, 8.342792734355486834706165437618, 9.374859577922917046390072306298

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