Properties

Label 2-2003-2003.2002-c0-0-0
Degree $2$
Conductor $2003$
Sign $1$
Analytic cond. $0.999627$
Root an. cond. $0.999813$
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  − 1.87·3-s + 4-s + 2.53·9-s − 1.87·12-s + 0.347·13-s + 16-s − 19-s + 25-s − 2.87·27-s + 2.53·36-s − 0.652·39-s + 0.347·47-s − 1.87·48-s + 49-s + 0.347·52-s − 53-s + 1.87·57-s + 1.53·59-s + 64-s + 1.53·73-s − 1.87·75-s − 76-s + 1.53·79-s + 2.87·81-s − 89-s + 100-s + 0.347·101-s + ⋯
L(s)  = 1  − 1.87·3-s + 4-s + 2.53·9-s − 1.87·12-s + 0.347·13-s + 16-s − 19-s + 25-s − 2.87·27-s + 2.53·36-s − 0.652·39-s + 0.347·47-s − 1.87·48-s + 49-s + 0.347·52-s − 53-s + 1.87·57-s + 1.53·59-s + 64-s + 1.53·73-s − 1.87·75-s − 76-s + 1.53·79-s + 2.87·81-s − 89-s + 100-s + 0.347·101-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: no
Arithmetic: yes
Character: $\chi_{2003} (2002, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2003,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.8359489183\)
\(L(\frac12)\) \(\approx\) \(0.8359489183\)
\(L(1)\) 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 \( 1 - T^{2} \)
3 \( 1 + 1.87T + T^{2} \)
5 \( 1 - T^{2} \)
7 \( 1 - T^{2} \)
11 \( 1 - T^{2} \)
13 \( 1 - 0.347T + T^{2} \)
17 \( 1 - T^{2} \)
19 \( 1 + T + T^{2} \)
23 \( 1 - T^{2} \)
29 \( 1 - T^{2} \)
31 \( 1 - T^{2} \)
37 \( 1 - T^{2} \)
41 \( 1 - T^{2} \)
43 \( 1 - T^{2} \)
47 \( 1 - 0.347T + T^{2} \)
53 \( 1 + T + T^{2} \)
59 \( 1 - 1.53T + T^{2} \)
61 \( 1 - T^{2} \)
67 \( 1 - T^{2} \)
71 \( 1 - T^{2} \)
73 \( 1 - 1.53T + T^{2} \)
79 \( 1 - 1.53T + T^{2} \)
83 \( 1 - T^{2} \)
89 \( 1 + T + T^{2} \)
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

−9.674909252977817404995822253806, −8.459869010827793059582913584629, −7.41712167701710131552400132536, −6.74031035280392642966854844786, −6.24649343785626698549659674428, −5.52519585731075404240487209219, −4.71935729270348960319489264639, −3.69986029787874061932208308603, −2.21453177929666434446917857794, −1.03009713626109061612792543694, 1.03009713626109061612792543694, 2.21453177929666434446917857794, 3.69986029787874061932208308603, 4.71935729270348960319489264639, 5.52519585731075404240487209219, 6.24649343785626698549659674428, 6.74031035280392642966854844786, 7.41712167701710131552400132536, 8.459869010827793059582913584629, 9.674909252977817404995822253806

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