Properties

Label 2-40e2-1.1-c1-0-20
Degree $2$
Conductor $1600$
Sign $1$
Analytic cond. $12.7760$
Root an. cond. $3.57436$
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  + 3·3-s + 2·7-s + 6·9-s + 11-s + 4·13-s − 5·17-s + 19-s + 6·21-s − 2·23-s + 9·27-s + 8·29-s − 10·31-s + 3·33-s − 6·37-s + 12·39-s − 3·41-s − 4·43-s + 4·47-s − 3·49-s − 15·51-s + 6·53-s + 3·57-s + 8·59-s − 10·61-s + 12·63-s + 67-s − 6·69-s + ⋯
L(s)  = 1  + 1.73·3-s + 0.755·7-s + 2·9-s + 0.301·11-s + 1.10·13-s − 1.21·17-s + 0.229·19-s + 1.30·21-s − 0.417·23-s + 1.73·27-s + 1.48·29-s − 1.79·31-s + 0.522·33-s − 0.986·37-s + 1.92·39-s − 0.468·41-s − 0.609·43-s + 0.583·47-s − 3/7·49-s − 2.10·51-s + 0.824·53-s + 0.397·57-s + 1.04·59-s − 1.28·61-s + 1.51·63-s + 0.122·67-s − 0.722·69-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1600 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1600\)    =    \(2^{6} \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(12.7760\)
Root analytic conductor: \(3.57436\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1600,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.576844161\)
\(L(\frac12)\) \(\approx\) \(3.576844161\)
\(L(\frac{3}{2})\) 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 \( 1 - p T + p T^{2} \)
7 \( 1 - 2 T + p T^{2} \)
11 \( 1 - T + p T^{2} \)
13 \( 1 - 4 T + p T^{2} \)
17 \( 1 + 5 T + p T^{2} \)
19 \( 1 - T + p T^{2} \)
23 \( 1 + 2 T + p T^{2} \)
29 \( 1 - 8 T + p T^{2} \)
31 \( 1 + 10 T + p T^{2} \)
37 \( 1 + 6 T + p T^{2} \)
41 \( 1 + 3 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 - 4 T + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 - 8 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 - T + p T^{2} \)
71 \( 1 - 12 T + p T^{2} \)
73 \( 1 + 3 T + p T^{2} \)
79 \( 1 + 6 T + p T^{2} \)
83 \( 1 - 13 T + p T^{2} \)
89 \( 1 + 9 T + p T^{2} \)
97 \( 1 - 14 T + p T^{2} \)
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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

−8.991961706198476363435962654526, −8.720602413041024106637832803548, −8.055626452478264447820487029387, −7.21770881604952097592020989657, −6.40684500687784874784919770421, −5.06600245901943802531882127393, −4.07720376840654495646614890107, −3.44088547493747998942383915443, −2.29339881623541277051522493670, −1.48624115915066658933915937826, 1.48624115915066658933915937826, 2.29339881623541277051522493670, 3.44088547493747998942383915443, 4.07720376840654495646614890107, 5.06600245901943802531882127393, 6.40684500687784874784919770421, 7.21770881604952097592020989657, 8.055626452478264447820487029387, 8.720602413041024106637832803548, 8.991961706198476363435962654526

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