Properties

Label 2-800-1.1-c1-0-7
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·3-s + 2·7-s + 9-s − 4·11-s + 6·13-s − 2·17-s + 8·19-s + 4·21-s + 6·23-s − 4·27-s − 2·29-s + 4·31-s − 8·33-s − 2·37-s + 12·39-s − 10·41-s + 2·43-s + 2·47-s − 3·49-s − 4·51-s − 2·53-s + 16·57-s + 2·61-s + 2·63-s + 6·67-s + 12·69-s − 12·71-s + ⋯
L(s)  = 1  + 1.15·3-s + 0.755·7-s + 1/3·9-s − 1.20·11-s + 1.66·13-s − 0.485·17-s + 1.83·19-s + 0.872·21-s + 1.25·23-s − 0.769·27-s − 0.371·29-s + 0.718·31-s − 1.39·33-s − 0.328·37-s + 1.92·39-s − 1.56·41-s + 0.304·43-s + 0.291·47-s − 3/7·49-s − 0.560·51-s − 0.274·53-s + 2.11·57-s + 0.256·61-s + 0.251·63-s + 0.733·67-s + 1.44·69-s − 1.42·71-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: \(0\)
Selberg data: \((2,\ 800,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.438076923\)
\(L(\frac12)\) \(\approx\) \(2.438076923\)
\(L(\frac{3}{2})\) 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 \( 1 - 2 T + p T^{2} \)
7 \( 1 - 2 T + p T^{2} \)
11 \( 1 + 4 T + p T^{2} \)
13 \( 1 - 6 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 - 8 T + p T^{2} \)
23 \( 1 - 6 T + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 - 4 T + p T^{2} \)
37 \( 1 + 2 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 - 2 T + p T^{2} \)
47 \( 1 - 2 T + p T^{2} \)
53 \( 1 + 2 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 - 2 T + p T^{2} \)
67 \( 1 - 6 T + p T^{2} \)
71 \( 1 + 12 T + p T^{2} \)
73 \( 1 + 10 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 - 10 T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
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

−10.21928706045381919825266409223, −9.176931046560670872872569998154, −8.511113184634060893001996806567, −7.933255428320458728096933472013, −7.09220086136237769951318187486, −5.72826135512171935442272385538, −4.87167873852283683641042254046, −3.53586243928816745150820886016, −2.79777579346030768453822089895, −1.43961637684802321828989795992, 1.43961637684802321828989795992, 2.79777579346030768453822089895, 3.53586243928816745150820886016, 4.87167873852283683641042254046, 5.72826135512171935442272385538, 7.09220086136237769951318187486, 7.933255428320458728096933472013, 8.511113184634060893001996806567, 9.176931046560670872872569998154, 10.21928706045381919825266409223

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