Properties

Label 2-1999-1999.1998-c0-0-11
Degree $2$
Conductor $1999$
Sign $1$
Analytic cond. $0.997630$
Root an. cond. $0.998814$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  + 2·2-s + 3·4-s − 5-s + 4·8-s + 9-s − 2·10-s − 11-s − 13-s + 5·16-s + 2·18-s − 3·20-s − 2·22-s − 23-s − 2·26-s − 31-s + 6·32-s + 3·36-s − 37-s − 4·40-s + 2·41-s − 3·44-s − 45-s − 2·46-s + 49-s − 3·52-s − 53-s + 55-s + ⋯
L(s)  = 1  + 2·2-s + 3·4-s − 5-s + 4·8-s + 9-s − 2·10-s − 11-s − 13-s + 5·16-s + 2·18-s − 3·20-s − 2·22-s − 23-s − 2·26-s − 31-s + 6·32-s + 3·36-s − 37-s − 4·40-s + 2·41-s − 3·44-s − 45-s − 2·46-s + 49-s − 3·52-s − 53-s + 55-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: yes
Arithmetic: yes
Character: $\chi_{1999} (1998, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1999,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(3.453886081\)
\(L(\frac12)\) \(\approx\) \(3.453886081\)
\(L(1)\) 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 \( ( 1 - T )^{2} \)
3 \( ( 1 - T )( 1 + T ) \)
5 \( 1 + T + T^{2} \)
7 \( ( 1 - T )( 1 + T ) \)
11 \( 1 + T + T^{2} \)
13 \( 1 + T + T^{2} \)
17 \( ( 1 - T )( 1 + T ) \)
19 \( ( 1 - T )( 1 + T ) \)
23 \( 1 + T + T^{2} \)
29 \( ( 1 - T )( 1 + T ) \)
31 \( 1 + T + T^{2} \)
37 \( 1 + T + T^{2} \)
41 \( ( 1 - T )^{2} \)
43 \( ( 1 - T )( 1 + T ) \)
47 \( ( 1 - T )( 1 + T ) \)
53 \( 1 + T + T^{2} \)
59 \( 1 + T + T^{2} \)
61 \( 1 + T + T^{2} \)
67 \( ( 1 - T )( 1 + T ) \)
71 \( 1 + T + T^{2} \)
73 \( ( 1 - T )( 1 + T ) \)
79 \( ( 1 - T )^{2} \)
83 \( ( 1 - T )( 1 + T ) \)
89 \( ( 1 - T )( 1 + T ) \)
97 \( ( 1 - T )( 1 + T ) \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−9.620704835491361841755602294288, −7.83728996943413806100891005429, −7.63943538744656565721528388520, −6.93468207523552203207097409479, −5.93019216613148816800310910674, −5.11502300663308418273011260303, −4.38723461222590729767556671261, −3.82991464292252792437144147835, −2.83517005917974515641863664218, −1.88236955051199998682652391443, 1.88236955051199998682652391443, 2.83517005917974515641863664218, 3.82991464292252792437144147835, 4.38723461222590729767556671261, 5.11502300663308418273011260303, 5.93019216613148816800310910674, 6.93468207523552203207097409479, 7.63943538744656565721528388520, 7.83728996943413806100891005429, 9.620704835491361841755602294288

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