Properties

Label 2-2001-1.1-c1-0-18
Degree $2$
Conductor $2001$
Sign $1$
Analytic cond. $15.9780$
Root an. cond. $3.99725$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.458·2-s + 3-s − 1.79·4-s − 0.388·5-s + 0.458·6-s − 4.22·7-s − 1.73·8-s + 9-s − 0.177·10-s + 2.44·11-s − 1.79·12-s + 0.942·13-s − 1.93·14-s − 0.388·15-s + 2.78·16-s − 2.35·17-s + 0.458·18-s + 2.89·19-s + 0.695·20-s − 4.22·21-s + 1.11·22-s + 23-s − 1.73·24-s − 4.84·25-s + 0.431·26-s + 27-s + 7.56·28-s + ⋯
L(s)  = 1  + 0.324·2-s + 0.577·3-s − 0.895·4-s − 0.173·5-s + 0.187·6-s − 1.59·7-s − 0.614·8-s + 0.333·9-s − 0.0562·10-s + 0.736·11-s − 0.516·12-s + 0.261·13-s − 0.517·14-s − 0.100·15-s + 0.696·16-s − 0.571·17-s + 0.108·18-s + 0.663·19-s + 0.155·20-s − 0.921·21-s + 0.238·22-s + 0.208·23-s − 0.354·24-s − 0.969·25-s + 0.0847·26-s + 0.192·27-s + 1.42·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2001 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2001 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2001\)    =    \(3 \cdot 23 \cdot 29\)
Sign: $1$
Analytic conductor: \(15.9780\)
Root analytic conductor: \(3.99725\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2001,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.515300476\)
\(L(\frac12)\) \(\approx\) \(1.515300476\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - T \)
23 \( 1 - T \)
29 \( 1 - T \)
good2 \( 1 - 0.458T + 2T^{2} \)
5 \( 1 + 0.388T + 5T^{2} \)
7 \( 1 + 4.22T + 7T^{2} \)
11 \( 1 - 2.44T + 11T^{2} \)
13 \( 1 - 0.942T + 13T^{2} \)
17 \( 1 + 2.35T + 17T^{2} \)
19 \( 1 - 2.89T + 19T^{2} \)
31 \( 1 - 7.75T + 31T^{2} \)
37 \( 1 + 2.82T + 37T^{2} \)
41 \( 1 - 5.25T + 41T^{2} \)
43 \( 1 + 9.79T + 43T^{2} \)
47 \( 1 - 9.98T + 47T^{2} \)
53 \( 1 - 6.00T + 53T^{2} \)
59 \( 1 - 8.95T + 59T^{2} \)
61 \( 1 - 8.75T + 61T^{2} \)
67 \( 1 + 8.58T + 67T^{2} \)
71 \( 1 - 6.86T + 71T^{2} \)
73 \( 1 - 12.2T + 73T^{2} \)
79 \( 1 + 7.05T + 79T^{2} \)
83 \( 1 - 10.9T + 83T^{2} \)
89 \( 1 - 8.73T + 89T^{2} \)
97 \( 1 - 17.6T + 97T^{2} \)
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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

−9.085476055158299928091426746072, −8.656609584325599733489997143479, −7.63641776014980026010710276994, −6.66064970102930642858838941464, −6.08723631425269166570865058543, −5.01610208392788875714305082099, −3.90909642815883342405452963314, −3.57449239576452243898702420826, −2.54529658295816880823724248948, −0.75881951106758693244342627331, 0.75881951106758693244342627331, 2.54529658295816880823724248948, 3.57449239576452243898702420826, 3.90909642815883342405452963314, 5.01610208392788875714305082099, 6.08723631425269166570865058543, 6.66064970102930642858838941464, 7.63641776014980026010710276994, 8.656609584325599733489997143479, 9.085476055158299928091426746072

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