Properties

Label 2-1881-1.1-c1-0-25
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  − 2.38·2-s + 3.69·4-s + 2.27·5-s + 2.95·7-s − 4.03·8-s − 5.42·10-s − 11-s + 7.16·13-s − 7.04·14-s + 2.24·16-s − 3.73·17-s − 19-s + 8.39·20-s + 2.38·22-s + 7.03·23-s + 0.175·25-s − 17.0·26-s + 10.9·28-s − 0.694·29-s + 7.76·31-s + 2.72·32-s + 8.91·34-s + 6.71·35-s + 0.351·37-s + 2.38·38-s − 9.17·40-s + 6.87·41-s + ⋯
L(s)  = 1  − 1.68·2-s + 1.84·4-s + 1.01·5-s + 1.11·7-s − 1.42·8-s − 1.71·10-s − 0.301·11-s + 1.98·13-s − 1.88·14-s + 0.560·16-s − 0.906·17-s − 0.229·19-s + 1.87·20-s + 0.508·22-s + 1.46·23-s + 0.0350·25-s − 3.35·26-s + 2.06·28-s − 0.128·29-s + 1.39·31-s + 0.481·32-s + 1.52·34-s + 1.13·35-s + 0.0578·37-s + 0.386·38-s − 1.45·40-s + 1.07·41-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

\(L(1)\) \(\approx\) \(1.207864978\)
\(L(\frac12)\) \(\approx\) \(1.207864978\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.38T + 2T^{2} \)
5 \( 1 - 2.27T + 5T^{2} \)
7 \( 1 - 2.95T + 7T^{2} \)
13 \( 1 - 7.16T + 13T^{2} \)
17 \( 1 + 3.73T + 17T^{2} \)
23 \( 1 - 7.03T + 23T^{2} \)
29 \( 1 + 0.694T + 29T^{2} \)
31 \( 1 - 7.76T + 31T^{2} \)
37 \( 1 - 0.351T + 37T^{2} \)
41 \( 1 - 6.87T + 41T^{2} \)
43 \( 1 + 8.69T + 43T^{2} \)
47 \( 1 - 1.84T + 47T^{2} \)
53 \( 1 - 6.98T + 53T^{2} \)
59 \( 1 + 4.78T + 59T^{2} \)
61 \( 1 + 3.65T + 61T^{2} \)
67 \( 1 - 14.6T + 67T^{2} \)
71 \( 1 - 10.4T + 71T^{2} \)
73 \( 1 + 7.60T + 73T^{2} \)
79 \( 1 + 10.1T + 79T^{2} \)
83 \( 1 + 10.7T + 83T^{2} \)
89 \( 1 + 12.8T + 89T^{2} \)
97 \( 1 + 2.47T + 97T^{2} \)
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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

−9.088734423470266066898991360478, −8.497996215662819403787143743366, −8.097722564062521266846152955460, −6.96819729760627841041264638939, −6.33833807422506846072972386020, −5.45285730199311404092744559069, −4.32464947405083307117047804410, −2.75738606726511648373571044488, −1.75934227434056692752838724584, −1.05993124218341352240536160595, 1.05993124218341352240536160595, 1.75934227434056692752838724584, 2.75738606726511648373571044488, 4.32464947405083307117047804410, 5.45285730199311404092744559069, 6.33833807422506846072972386020, 6.96819729760627841041264638939, 8.097722564062521266846152955460, 8.497996215662819403787143743366, 9.088734423470266066898991360478

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