Properties

Label 2-1881-1.1-c1-0-32
Degree $2$
Conductor $1881$
Sign $1$
Analytic cond. $15.0198$
Root an. cond. $3.87554$
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  − 2.03·2-s + 2.15·4-s + 3.24·5-s + 1.92·7-s − 0.314·8-s − 6.61·10-s + 11-s + 2.85·13-s − 3.92·14-s − 3.66·16-s + 2.33·17-s + 19-s + 6.99·20-s − 2.03·22-s + 2.74·23-s + 5.54·25-s − 5.81·26-s + 4.14·28-s + 0.972·29-s − 0.00551·31-s + 8.10·32-s − 4.74·34-s + 6.24·35-s + 9.67·37-s − 2.03·38-s − 1.02·40-s − 6.65·41-s + ⋯
L(s)  = 1  − 1.44·2-s + 1.07·4-s + 1.45·5-s + 0.726·7-s − 0.111·8-s − 2.09·10-s + 0.301·11-s + 0.790·13-s − 1.04·14-s − 0.916·16-s + 0.565·17-s + 0.229·19-s + 1.56·20-s − 0.434·22-s + 0.572·23-s + 1.10·25-s − 1.13·26-s + 0.783·28-s + 0.180·29-s − 0.000989·31-s + 1.43·32-s − 0.814·34-s + 1.05·35-s + 1.58·37-s − 0.330·38-s − 0.161·40-s − 1.03·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1881 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1881 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1881\)    =    \(3^{2} \cdot 11 \cdot 19\)
Sign: $1$
Analytic conductor: \(15.0198\)
Root analytic conductor: \(3.87554\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1881,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.369607193\)
\(L(\frac12)\) \(\approx\) \(1.369607193\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
11 \( 1 - T \)
19 \( 1 - T \)
good2 \( 1 + 2.03T + 2T^{2} \)
5 \( 1 - 3.24T + 5T^{2} \)
7 \( 1 - 1.92T + 7T^{2} \)
13 \( 1 - 2.85T + 13T^{2} \)
17 \( 1 - 2.33T + 17T^{2} \)
23 \( 1 - 2.74T + 23T^{2} \)
29 \( 1 - 0.972T + 29T^{2} \)
31 \( 1 + 0.00551T + 31T^{2} \)
37 \( 1 - 9.67T + 37T^{2} \)
41 \( 1 + 6.65T + 41T^{2} \)
43 \( 1 - 7.99T + 43T^{2} \)
47 \( 1 + 3.46T + 47T^{2} \)
53 \( 1 + 10.5T + 53T^{2} \)
59 \( 1 - 13.7T + 59T^{2} \)
61 \( 1 - 3.74T + 61T^{2} \)
67 \( 1 + 3.97T + 67T^{2} \)
71 \( 1 + 14.2T + 71T^{2} \)
73 \( 1 + 13.2T + 73T^{2} \)
79 \( 1 + 1.87T + 79T^{2} \)
83 \( 1 - 10.9T + 83T^{2} \)
89 \( 1 + 15.0T + 89T^{2} \)
97 \( 1 + 7.57T + 97T^{2} \)
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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

−9.319879504533633909801461997239, −8.561818173151566950789849948836, −7.937487750241571940315116968190, −7.01065264906649485739394231385, −6.19710772111175569554518685828, −5.41496415779234044336748086951, −4.38721326057825618521911314110, −2.85066113680062216193465736387, −1.73207091703478115952497059605, −1.11810863354556702352829007086, 1.11810863354556702352829007086, 1.73207091703478115952497059605, 2.85066113680062216193465736387, 4.38721326057825618521911314110, 5.41496415779234044336748086951, 6.19710772111175569554518685828, 7.01065264906649485739394231385, 7.937487750241571940315116968190, 8.561818173151566950789849948836, 9.319879504533633909801461997239

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