Properties

Label 2-20e2-1.1-c5-0-9
Degree $2$
Conductor $400$
Sign $1$
Analytic cond. $64.1535$
Root an. cond. $8.00958$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 22.6·3-s + 107.·7-s + 269.·9-s + 290.·11-s + 519.·13-s + 2.03e3·17-s − 1.70e3·19-s − 2.42e3·21-s − 4.35e3·23-s − 588.·27-s + 4.79e3·29-s − 7.59e3·31-s − 6.58e3·33-s + 5.26e3·37-s − 1.17e4·39-s − 1.01e4·41-s + 2.34e4·43-s + 3.31e3·47-s − 5.30e3·49-s − 4.59e4·51-s − 2.89e4·53-s + 3.86e4·57-s − 1.45e4·59-s + 2.43e4·61-s + 2.88e4·63-s + 5.93e3·67-s + 9.85e4·69-s + ⋯
L(s)  = 1  − 1.45·3-s + 0.827·7-s + 1.10·9-s + 0.724·11-s + 0.852·13-s + 1.70·17-s − 1.08·19-s − 1.20·21-s − 1.71·23-s − 0.155·27-s + 1.05·29-s − 1.42·31-s − 1.05·33-s + 0.631·37-s − 1.23·39-s − 0.939·41-s + 1.93·43-s + 0.219·47-s − 0.315·49-s − 2.47·51-s − 1.41·53-s + 1.57·57-s − 0.544·59-s + 0.838·61-s + 0.915·63-s + 0.161·67-s + 2.49·69-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(64.1535\)
Root analytic conductor: \(8.00958\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(1.425437206\)
\(L(\frac12)\) \(\approx\) \(1.425437206\)
\(L(\frac{7}{2})\) 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 \( 1 + 22.6T + 243T^{2} \)
7 \( 1 - 107.T + 1.68e4T^{2} \)
11 \( 1 - 290.T + 1.61e5T^{2} \)
13 \( 1 - 519.T + 3.71e5T^{2} \)
17 \( 1 - 2.03e3T + 1.41e6T^{2} \)
19 \( 1 + 1.70e3T + 2.47e6T^{2} \)
23 \( 1 + 4.35e3T + 6.43e6T^{2} \)
29 \( 1 - 4.79e3T + 2.05e7T^{2} \)
31 \( 1 + 7.59e3T + 2.86e7T^{2} \)
37 \( 1 - 5.26e3T + 6.93e7T^{2} \)
41 \( 1 + 1.01e4T + 1.15e8T^{2} \)
43 \( 1 - 2.34e4T + 1.47e8T^{2} \)
47 \( 1 - 3.31e3T + 2.29e8T^{2} \)
53 \( 1 + 2.89e4T + 4.18e8T^{2} \)
59 \( 1 + 1.45e4T + 7.14e8T^{2} \)
61 \( 1 - 2.43e4T + 8.44e8T^{2} \)
67 \( 1 - 5.93e3T + 1.35e9T^{2} \)
71 \( 1 - 1.44e4T + 1.80e9T^{2} \)
73 \( 1 - 2.81e4T + 2.07e9T^{2} \)
79 \( 1 + 2.16e4T + 3.07e9T^{2} \)
83 \( 1 - 3.73e4T + 3.93e9T^{2} \)
89 \( 1 - 9.05e4T + 5.58e9T^{2} \)
97 \( 1 + 7.38e4T + 8.58e9T^{2} \)
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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

−10.70546166754514926057359456111, −9.822621132596554465852484926147, −8.523567997443469871369269859809, −7.61797383286529513090051346964, −6.31522371005774464810065066987, −5.82194519711181739413188926583, −4.74496576163477167868638072845, −3.74151781030574801539881639882, −1.73341643697887484934076044306, −0.71843029474451144503081885243, 0.71843029474451144503081885243, 1.73341643697887484934076044306, 3.74151781030574801539881639882, 4.74496576163477167868638072845, 5.82194519711181739413188926583, 6.31522371005774464810065066987, 7.61797383286529513090051346964, 8.523567997443469871369269859809, 9.822621132596554465852484926147, 10.70546166754514926057359456111

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