Properties

Label 2-2001-1.1-c1-0-5
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  − 2.80·2-s + 3-s + 5.84·4-s − 3.48·5-s − 2.80·6-s − 1.41·7-s − 10.7·8-s + 9-s + 9.74·10-s − 4.43·11-s + 5.84·12-s − 2.37·13-s + 3.95·14-s − 3.48·15-s + 18.4·16-s − 3.28·17-s − 2.80·18-s − 3.46·19-s − 20.3·20-s − 1.41·21-s + 12.4·22-s + 23-s − 10.7·24-s + 7.11·25-s + 6.65·26-s + 27-s − 8.26·28-s + ⋯
L(s)  = 1  − 1.98·2-s + 0.577·3-s + 2.92·4-s − 1.55·5-s − 1.14·6-s − 0.534·7-s − 3.80·8-s + 0.333·9-s + 3.08·10-s − 1.33·11-s + 1.68·12-s − 0.659·13-s + 1.05·14-s − 0.898·15-s + 4.61·16-s − 0.797·17-s − 0.660·18-s − 0.794·19-s − 4.54·20-s − 0.308·21-s + 2.64·22-s + 0.208·23-s − 2.19·24-s + 1.42·25-s + 1.30·26-s + 0.192·27-s − 1.56·28-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

\(L(1)\) \(\approx\) \(0.1911292438\)
\(L(\frac12)\) \(\approx\) \(0.1911292438\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.80T + 2T^{2} \)
5 \( 1 + 3.48T + 5T^{2} \)
7 \( 1 + 1.41T + 7T^{2} \)
11 \( 1 + 4.43T + 11T^{2} \)
13 \( 1 + 2.37T + 13T^{2} \)
17 \( 1 + 3.28T + 17T^{2} \)
19 \( 1 + 3.46T + 19T^{2} \)
31 \( 1 + 4.18T + 31T^{2} \)
37 \( 1 + 10.7T + 37T^{2} \)
41 \( 1 - 3.71T + 41T^{2} \)
43 \( 1 + 7.08T + 43T^{2} \)
47 \( 1 - 1.63T + 47T^{2} \)
53 \( 1 - 6.97T + 53T^{2} \)
59 \( 1 - 12.2T + 59T^{2} \)
61 \( 1 - 5.25T + 61T^{2} \)
67 \( 1 + 11.9T + 67T^{2} \)
71 \( 1 - 12.3T + 71T^{2} \)
73 \( 1 - 8.68T + 73T^{2} \)
79 \( 1 - 9.51T + 79T^{2} \)
83 \( 1 - 2.12T + 83T^{2} \)
89 \( 1 + 11.0T + 89T^{2} \)
97 \( 1 - 12.3T + 97T^{2} \)
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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

−8.978852077497752944693564308931, −8.287878095558728169710014981016, −7.963359545723086231424848188784, −7.06075622917191680519403798086, −6.78292685401696852719204365125, −5.27775860968162876705531763647, −3.80225660351900454616205734936, −2.90272378424153054908897067962, −2.10188158773870166787738123957, −0.35008251248634018234921751290, 0.35008251248634018234921751290, 2.10188158773870166787738123957, 2.90272378424153054908897067962, 3.80225660351900454616205734936, 5.27775860968162876705531763647, 6.78292685401696852719204365125, 7.06075622917191680519403798086, 7.963359545723086231424848188784, 8.287878095558728169710014981016, 8.978852077497752944693564308931

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