Properties

Label 2-2001-1.1-c1-0-7
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  − 2.70·2-s − 3-s + 5.31·4-s + 0.910·5-s + 2.70·6-s − 2.94·7-s − 8.95·8-s + 9-s − 2.46·10-s + 1.96·11-s − 5.31·12-s − 6.90·13-s + 7.95·14-s − 0.910·15-s + 13.5·16-s − 3.43·17-s − 2.70·18-s − 4.84·19-s + 4.83·20-s + 2.94·21-s − 5.32·22-s − 23-s + 8.95·24-s − 4.17·25-s + 18.6·26-s − 27-s − 15.6·28-s + ⋯
L(s)  = 1  − 1.91·2-s − 0.577·3-s + 2.65·4-s + 0.407·5-s + 1.10·6-s − 1.11·7-s − 3.16·8-s + 0.333·9-s − 0.778·10-s + 0.593·11-s − 1.53·12-s − 1.91·13-s + 2.12·14-s − 0.235·15-s + 3.39·16-s − 0.833·17-s − 0.637·18-s − 1.11·19-s + 1.08·20-s + 0.641·21-s − 1.13·22-s − 0.208·23-s + 1.82·24-s − 0.834·25-s + 3.66·26-s − 0.192·27-s − 2.95·28-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

\(L(1)\) \(\approx\) \(0.2539558573\)
\(L(\frac12)\) \(\approx\) \(0.2539558573\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.70T + 2T^{2} \)
5 \( 1 - 0.910T + 5T^{2} \)
7 \( 1 + 2.94T + 7T^{2} \)
11 \( 1 - 1.96T + 11T^{2} \)
13 \( 1 + 6.90T + 13T^{2} \)
17 \( 1 + 3.43T + 17T^{2} \)
19 \( 1 + 4.84T + 19T^{2} \)
31 \( 1 + 6.10T + 31T^{2} \)
37 \( 1 - 10.7T + 37T^{2} \)
41 \( 1 - 0.108T + 41T^{2} \)
43 \( 1 - 4.09T + 43T^{2} \)
47 \( 1 + 2.94T + 47T^{2} \)
53 \( 1 - 8.24T + 53T^{2} \)
59 \( 1 - 14.7T + 59T^{2} \)
61 \( 1 + 4.18T + 61T^{2} \)
67 \( 1 - 7.67T + 67T^{2} \)
71 \( 1 - 11.1T + 71T^{2} \)
73 \( 1 + 15.2T + 73T^{2} \)
79 \( 1 + 10.2T + 79T^{2} \)
83 \( 1 - 3.05T + 83T^{2} \)
89 \( 1 + 7.02T + 89T^{2} \)
97 \( 1 + 12.0T + 97T^{2} \)
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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

−9.408785119562597256300925253618, −8.591723009707353039160916306729, −7.56979567442351276393486355695, −6.92336520402116689451457832866, −6.39451550043922061648216060924, −5.62440073200907490152196716574, −4.15062349492276183198850685706, −2.64767232545286983067214018913, −1.99152872815009521438847312757, −0.42955634591553531340071045824, 0.42955634591553531340071045824, 1.99152872815009521438847312757, 2.64767232545286983067214018913, 4.15062349492276183198850685706, 5.62440073200907490152196716574, 6.39451550043922061648216060924, 6.92336520402116689451457832866, 7.56979567442351276393486355695, 8.591723009707353039160916306729, 9.408785119562597256300925253618

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