Properties

Label 2-3891-3891.3890-c0-0-10
Degree $2$
Conductor $3891$
Sign $1$
Analytic cond. $1.94186$
Root an. cond. $1.39350$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s + 4-s + 0.517·5-s + 7-s + 9-s − 1.93·11-s − 12-s + 1.73·13-s − 0.517·15-s + 16-s + 1.41·17-s + 0.517·20-s − 21-s − 0.732·25-s − 27-s + 28-s − 1.41·29-s + 1.93·33-s + 0.517·35-s + 36-s − 1.73·39-s + 1.93·41-s − 1.93·44-s + 0.517·45-s − 48-s − 1.41·51-s + 1.73·52-s + ⋯
L(s)  = 1  − 3-s + 4-s + 0.517·5-s + 7-s + 9-s − 1.93·11-s − 12-s + 1.73·13-s − 0.517·15-s + 16-s + 1.41·17-s + 0.517·20-s − 21-s − 0.732·25-s − 27-s + 28-s − 1.41·29-s + 1.93·33-s + 0.517·35-s + 36-s − 1.73·39-s + 1.93·41-s − 1.93·44-s + 0.517·45-s − 48-s − 1.41·51-s + 1.73·52-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 3891 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 3891 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(3891\)    =    \(3 \cdot 1297\)
Sign: $1$
Analytic conductor: \(1.94186\)
Root analytic conductor: \(1.39350\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{3891} (3890, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 3891,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.530705110\)
\(L(\frac12)\) \(\approx\) \(1.530705110\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + T \)
1297 \( 1 + T \)
good2 \( 1 - T^{2} \)
5 \( 1 - 0.517T + T^{2} \)
7 \( 1 - T + T^{2} \)
11 \( 1 + 1.93T + T^{2} \)
13 \( 1 - 1.73T + T^{2} \)
17 \( 1 - 1.41T + T^{2} \)
19 \( 1 + T^{2} \)
23 \( 1 - T^{2} \)
29 \( 1 + 1.41T + T^{2} \)
31 \( 1 - T^{2} \)
37 \( 1 - T^{2} \)
41 \( 1 - 1.93T + T^{2} \)
43 \( 1 - T^{2} \)
47 \( 1 - T^{2} \)
53 \( 1 - T^{2} \)
59 \( 1 - 1.41T + T^{2} \)
61 \( 1 + 1.73T + T^{2} \)
67 \( 1 + 1.73T + T^{2} \)
71 \( 1 - T^{2} \)
73 \( 1 - T^{2} \)
79 \( 1 - T^{2} \)
83 \( 1 + 0.517T + T^{2} \)
89 \( 1 + 1.93T + T^{2} \)
97 \( 1 + T^{2} \)
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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

−8.378550331570780564433528553181, −7.67892158602701574421415072372, −7.38012194847607403518738366387, −6.08765989855090536381342941422, −5.73506298856109246962553118443, −5.31092611731364447331794751752, −4.16050675858512346041414621405, −3.08896125901124138345973133422, −1.97174844217297154998158521474, −1.23481390897200077080695284226, 1.23481390897200077080695284226, 1.97174844217297154998158521474, 3.08896125901124138345973133422, 4.16050675858512346041414621405, 5.31092611731364447331794751752, 5.73506298856109246962553118443, 6.08765989855090536381342941422, 7.38012194847607403518738366387, 7.67892158602701574421415072372, 8.378550331570780564433528553181

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