Properties

Label 2-1881-1.1-c1-0-0
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  − 2.19·2-s + 2.83·4-s − 3.77·5-s + 0.285·7-s − 1.84·8-s + 8.29·10-s − 11-s − 4.74·13-s − 0.627·14-s − 1.61·16-s − 5.55·17-s − 19-s − 10.7·20-s + 2.19·22-s + 3.32·23-s + 9.22·25-s + 10.4·26-s + 0.809·28-s − 1.36·29-s − 7.29·31-s + 7.25·32-s + 12.2·34-s − 1.07·35-s + 2.35·37-s + 2.19·38-s + 6.96·40-s − 3.84·41-s + ⋯
L(s)  = 1  − 1.55·2-s + 1.41·4-s − 1.68·5-s + 0.107·7-s − 0.652·8-s + 2.62·10-s − 0.301·11-s − 1.31·13-s − 0.167·14-s − 0.404·16-s − 1.34·17-s − 0.229·19-s − 2.39·20-s + 0.468·22-s + 0.693·23-s + 1.84·25-s + 2.04·26-s + 0.153·28-s − 0.252·29-s − 1.30·31-s + 1.28·32-s + 2.09·34-s − 0.181·35-s + 0.387·37-s + 0.356·38-s + 1.10·40-s − 0.599·41-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

\(L(1)\) \(\approx\) \(0.1813759194\)
\(L(\frac12)\) \(\approx\) \(0.1813759194\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.19T + 2T^{2} \)
5 \( 1 + 3.77T + 5T^{2} \)
7 \( 1 - 0.285T + 7T^{2} \)
13 \( 1 + 4.74T + 13T^{2} \)
17 \( 1 + 5.55T + 17T^{2} \)
23 \( 1 - 3.32T + 23T^{2} \)
29 \( 1 + 1.36T + 29T^{2} \)
31 \( 1 + 7.29T + 31T^{2} \)
37 \( 1 - 2.35T + 37T^{2} \)
41 \( 1 + 3.84T + 41T^{2} \)
43 \( 1 + 0.273T + 43T^{2} \)
47 \( 1 + 5.16T + 47T^{2} \)
53 \( 1 + 2.62T + 53T^{2} \)
59 \( 1 + 0.181T + 59T^{2} \)
61 \( 1 - 4.09T + 61T^{2} \)
67 \( 1 + 13.1T + 67T^{2} \)
71 \( 1 - 9.56T + 71T^{2} \)
73 \( 1 + 8.53T + 73T^{2} \)
79 \( 1 - 7.80T + 79T^{2} \)
83 \( 1 + 5.53T + 83T^{2} \)
89 \( 1 - 6.83T + 89T^{2} \)
97 \( 1 - 8.58T + 97T^{2} \)
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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

−9.068491193208793793300437057773, −8.459068716199489226362442696387, −7.73794548317040917770605386568, −7.26559388925549519948345876808, −6.62241213957627422715399468109, −4.98774914389206569846949029545, −4.31169107642192501395447778237, −3.09011057640452586626724050821, −1.95644147026161288926685763715, −0.34573254238306006299413197237, 0.34573254238306006299413197237, 1.95644147026161288926685763715, 3.09011057640452586626724050821, 4.31169107642192501395447778237, 4.98774914389206569846949029545, 6.62241213957627422715399468109, 7.26559388925549519948345876808, 7.73794548317040917770605386568, 8.459068716199489226362442696387, 9.068491193208793793300437057773

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