Properties

Label 2-20e2-1.1-c9-0-21
Degree $2$
Conductor $400$
Sign $1$
Analytic cond. $206.014$
Root an. cond. $14.3531$
Motivic weight $9$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 210.·3-s + 9.90e3·7-s + 2.44e4·9-s − 3.64e4·11-s − 1.64e5·13-s − 8.23e4·17-s + 6.09e5·19-s − 2.08e6·21-s + 1.88e6·23-s − 1.01e6·27-s + 3.39e5·29-s − 5.47e5·31-s + 7.66e6·33-s − 5.25e6·37-s + 3.46e7·39-s + 2.05e6·41-s − 6.76e6·43-s + 3.15e7·47-s + 5.77e7·49-s + 1.73e7·51-s + 4.89e7·53-s − 1.28e8·57-s − 8.77e7·59-s + 3.84e7·61-s + 2.42e8·63-s − 1.36e8·67-s − 3.96e8·69-s + ⋯
L(s)  = 1  − 1.49·3-s + 1.55·7-s + 1.24·9-s − 0.750·11-s − 1.60·13-s − 0.239·17-s + 1.07·19-s − 2.33·21-s + 1.40·23-s − 0.365·27-s + 0.0890·29-s − 0.106·31-s + 1.12·33-s − 0.461·37-s + 2.39·39-s + 0.113·41-s − 0.301·43-s + 0.942·47-s + 1.43·49-s + 0.358·51-s + 0.852·53-s − 1.60·57-s − 0.943·59-s + 0.355·61-s + 1.94·63-s − 0.825·67-s − 2.10·69-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(10-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+9/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $1$
Analytic conductor: \(206.014\)
Root analytic conductor: \(14.3531\)
Motivic weight: \(9\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :9/2),\ 1)\)

Particular Values

\(L(5)\) \(\approx\) \(1.165415521\)
\(L(\frac12)\) \(\approx\) \(1.165415521\)
\(L(\frac{11}{2})\) 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 \( 1 + 210.T + 1.96e4T^{2} \)
7 \( 1 - 9.90e3T + 4.03e7T^{2} \)
11 \( 1 + 3.64e4T + 2.35e9T^{2} \)
13 \( 1 + 1.64e5T + 1.06e10T^{2} \)
17 \( 1 + 8.23e4T + 1.18e11T^{2} \)
19 \( 1 - 6.09e5T + 3.22e11T^{2} \)
23 \( 1 - 1.88e6T + 1.80e12T^{2} \)
29 \( 1 - 3.39e5T + 1.45e13T^{2} \)
31 \( 1 + 5.47e5T + 2.64e13T^{2} \)
37 \( 1 + 5.25e6T + 1.29e14T^{2} \)
41 \( 1 - 2.05e6T + 3.27e14T^{2} \)
43 \( 1 + 6.76e6T + 5.02e14T^{2} \)
47 \( 1 - 3.15e7T + 1.11e15T^{2} \)
53 \( 1 - 4.89e7T + 3.29e15T^{2} \)
59 \( 1 + 8.77e7T + 8.66e15T^{2} \)
61 \( 1 - 3.84e7T + 1.16e16T^{2} \)
67 \( 1 + 1.36e8T + 2.72e16T^{2} \)
71 \( 1 + 3.49e8T + 4.58e16T^{2} \)
73 \( 1 + 1.61e8T + 5.88e16T^{2} \)
79 \( 1 - 1.26e8T + 1.19e17T^{2} \)
83 \( 1 + 2.87e8T + 1.86e17T^{2} \)
89 \( 1 + 5.63e8T + 3.50e17T^{2} \)
97 \( 1 - 4.71e8T + 7.60e17T^{2} \)
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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

−10.11177440682258254095848211940, −8.859527198975596252719615919867, −7.58654151190214447615255615600, −7.12301446298561943025059427563, −5.67171110586883257374928222831, −5.04538080198705077971377431449, −4.58113061728645605786661401964, −2.72072035432709384259691462090, −1.49110649708044709369217794746, −0.51251298821951538131137769755, 0.51251298821951538131137769755, 1.49110649708044709369217794746, 2.72072035432709384259691462090, 4.58113061728645605786661401964, 5.04538080198705077971377431449, 5.67171110586883257374928222831, 7.12301446298561943025059427563, 7.58654151190214447615255615600, 8.859527198975596252719615919867, 10.11177440682258254095848211940

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