Properties

Label 2-800-1.1-c1-0-14
Degree $2$
Conductor $800$
Sign $-1$
Analytic cond. $6.38803$
Root an. cond. $2.52745$
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 + 2·7-s − 2·9-s − 5·11-s + 5·17-s − 5·19-s − 2·21-s − 6·23-s + 5·27-s + 4·29-s − 10·31-s + 5·33-s − 10·37-s + 5·41-s − 4·43-s + 8·47-s − 3·49-s − 5·51-s − 10·53-s + 5·57-s − 10·61-s − 4·63-s − 3·67-s + 6·69-s − 5·73-s − 10·77-s − 10·79-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.755·7-s − 2/3·9-s − 1.50·11-s + 1.21·17-s − 1.14·19-s − 0.436·21-s − 1.25·23-s + 0.962·27-s + 0.742·29-s − 1.79·31-s + 0.870·33-s − 1.64·37-s + 0.780·41-s − 0.609·43-s + 1.16·47-s − 3/7·49-s − 0.700·51-s − 1.37·53-s + 0.662·57-s − 1.28·61-s − 0.503·63-s − 0.366·67-s + 0.722·69-s − 0.585·73-s − 1.13·77-s − 1.12·79-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 800 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 800 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(800\)    =    \(2^{5} \cdot 5^{2}\)
Sign: $-1$
Analytic conductor: \(6.38803\)
Root analytic conductor: \(2.52745\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 800,\ (\ :1/2),\ -1)\)

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)$
bad2 \( 1 \)
5 \( 1 \)
good3 \( 1 + T + p T^{2} \)
7 \( 1 - 2 T + p T^{2} \)
11 \( 1 + 5 T + p T^{2} \)
13 \( 1 + p T^{2} \)
17 \( 1 - 5 T + p T^{2} \)
19 \( 1 + 5 T + p T^{2} \)
23 \( 1 + 6 T + p T^{2} \)
29 \( 1 - 4 T + p T^{2} \)
31 \( 1 + 10 T + p T^{2} \)
37 \( 1 + 10 T + p T^{2} \)
41 \( 1 - 5 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 + 10 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 + 3 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 5 T + p T^{2} \)
79 \( 1 + 10 T + p T^{2} \)
83 \( 1 - T + p T^{2} \)
89 \( 1 + 9 T + p T^{2} \)
97 \( 1 - 10 T + p T^{2} \)
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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

−10.19247353139393510497215125211, −8.830850455477701050559569986904, −8.094469795338918061675120518148, −7.41230004297178578617275577832, −6.05631994479789712851621696197, −5.45104861185949508134672954635, −4.61867723730644924904633108854, −3.21115827901964811624216839347, −1.93887536017233006617656215932, 0, 1.93887536017233006617656215932, 3.21115827901964811624216839347, 4.61867723730644924904633108854, 5.45104861185949508134672954635, 6.05631994479789712851621696197, 7.41230004297178578617275577832, 8.094469795338918061675120518148, 8.830850455477701050559569986904, 10.19247353139393510497215125211

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