Properties

Label 2-3971-1.1-c1-0-85
Degree $2$
Conductor $3971$
Sign $-1$
Analytic cond. $31.7085$
Root an. cond. $5.63103$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s − 2·4-s − 3·5-s − 4·7-s − 2·9-s + 11-s + 2·12-s − 2·13-s + 3·15-s + 4·16-s + 6·20-s + 4·21-s + 3·23-s + 4·25-s + 5·27-s + 8·28-s + 6·29-s + 7·31-s − 33-s + 12·35-s + 4·36-s + 7·37-s + 2·39-s − 10·43-s − 2·44-s + 6·45-s − 4·48-s + ⋯
L(s)  = 1  − 0.577·3-s − 4-s − 1.34·5-s − 1.51·7-s − 2/3·9-s + 0.301·11-s + 0.577·12-s − 0.554·13-s + 0.774·15-s + 16-s + 1.34·20-s + 0.872·21-s + 0.625·23-s + 4/5·25-s + 0.962·27-s + 1.51·28-s + 1.11·29-s + 1.25·31-s − 0.174·33-s + 2.02·35-s + 2/3·36-s + 1.15·37-s + 0.320·39-s − 1.52·43-s − 0.301·44-s + 0.894·45-s − 0.577·48-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 3971 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 3971 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(3971\)    =    \(11 \cdot 19^{2}\)
Sign: $-1$
Analytic conductor: \(31.7085\)
Root analytic conductor: \(5.63103\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 3971,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad11 \( 1 - T \)
19 \( 1 \)
good2 \( 1 + p T^{2} \)
3 \( 1 + T + p T^{2} \)
5 \( 1 + 3 T + p T^{2} \)
7 \( 1 + 4 T + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 + p T^{2} \)
23 \( 1 - 3 T + p T^{2} \)
29 \( 1 - 6 T + p T^{2} \)
31 \( 1 - 7 T + p T^{2} \)
37 \( 1 - 7 T + p T^{2} \)
41 \( 1 + p T^{2} \)
43 \( 1 + 10 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 + 3 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 + 11 T + p T^{2} \)
71 \( 1 + 15 T + p T^{2} \)
73 \( 1 - 8 T + p T^{2} \)
79 \( 1 - 16 T + p T^{2} \)
83 \( 1 + p T^{2} \)
89 \( 1 + 9 T + p T^{2} \)
97 \( 1 - T + p T^{2} \)
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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

−8.174849022585588420203629767131, −7.39542507840928772826496092850, −6.48529345567410655231110901823, −5.99342545160528339124501754308, −4.82916721981838965409779548276, −4.44180325395003168513629971453, −3.32424149977178313721139954810, −2.99686168446309148381250593204, −0.77031350601798753266248540374, 0, 0.77031350601798753266248540374, 2.99686168446309148381250593204, 3.32424149977178313721139954810, 4.44180325395003168513629971453, 4.82916721981838965409779548276, 5.99342545160528339124501754308, 6.48529345567410655231110901823, 7.39542507840928772826496092850, 8.174849022585588420203629767131

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