Properties

Label 2-2003-2003.2002-c0-0-1
Degree $2$
Conductor $2003$
Sign $1$
Analytic cond. $0.999627$
Root an. cond. $0.999813$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s + 4-s − 12-s − 13-s + 16-s + 2·19-s + 25-s + 27-s + 39-s − 47-s − 48-s + 49-s − 52-s + 2·53-s − 2·57-s − 59-s + 64-s − 73-s − 75-s + 2·76-s − 79-s − 81-s + 2·89-s + 100-s − 101-s − 107-s + 108-s + ⋯
L(s)  = 1  − 3-s + 4-s − 12-s − 13-s + 16-s + 2·19-s + 25-s + 27-s + 39-s − 47-s − 48-s + 49-s − 52-s + 2·53-s − 2·57-s − 59-s + 64-s − 73-s − 75-s + 2·76-s − 79-s − 81-s + 2·89-s + 100-s − 101-s − 107-s + 108-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2003 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2003 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2003\)
Sign: $1$
Analytic conductor: \(0.999627\)
Root analytic conductor: \(0.999813\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{2003} (2002, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2003,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.039848040\)
\(L(\frac12)\) \(\approx\) \(1.039848040\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2003 \( 1+O(T) \)
good2 \( ( 1 - T )( 1 + T ) \)
3 \( 1 + T + T^{2} \)
5 \( ( 1 - T )( 1 + T ) \)
7 \( ( 1 - T )( 1 + T ) \)
11 \( ( 1 - T )( 1 + T ) \)
13 \( 1 + T + T^{2} \)
17 \( ( 1 - T )( 1 + T ) \)
19 \( ( 1 - T )^{2} \)
23 \( ( 1 - T )( 1 + T ) \)
29 \( ( 1 - T )( 1 + T ) \)
31 \( ( 1 - T )( 1 + T ) \)
37 \( ( 1 - T )( 1 + T ) \)
41 \( ( 1 - T )( 1 + T ) \)
43 \( ( 1 - T )( 1 + T ) \)
47 \( 1 + T + T^{2} \)
53 \( ( 1 - T )^{2} \)
59 \( 1 + T + T^{2} \)
61 \( ( 1 - T )( 1 + T ) \)
67 \( ( 1 - T )( 1 + T ) \)
71 \( ( 1 - T )( 1 + T ) \)
73 \( 1 + T + T^{2} \)
79 \( 1 + T + T^{2} \)
83 \( ( 1 - T )( 1 + T ) \)
89 \( ( 1 - T )^{2} \)
97 \( ( 1 - T )( 1 + T ) \)
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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

−9.547203856879411352392428338647, −8.503257397060096186984408733732, −7.39700807366762124737223152501, −7.09406759402546510588313566854, −6.10866278119992713978791412268, −5.44853423668388818127358941541, −4.79211807291355011649251300726, −3.32768092495314160184024591005, −2.52248101478274207744844407007, −1.10330655657876388817377112587, 1.10330655657876388817377112587, 2.52248101478274207744844407007, 3.32768092495314160184024591005, 4.79211807291355011649251300726, 5.44853423668388818127358941541, 6.10866278119992713978791412268, 7.09406759402546510588313566854, 7.39700807366762124737223152501, 8.503257397060096186984408733732, 9.547203856879411352392428338647

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