Properties

Label 2-20e2-1.1-c5-0-21
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 19.0·3-s − 210.·7-s + 121.·9-s + 18.2·11-s + 834.·13-s − 292.·17-s + 2.28e3·19-s + 4.01e3·21-s − 3.78e3·23-s + 2.31e3·27-s + 4.55e3·29-s + 1.45e3·31-s − 348.·33-s + 5.50e3·37-s − 1.59e4·39-s − 616.·41-s − 1.58e4·43-s + 2.91e4·47-s + 2.73e4·49-s + 5.58e3·51-s − 3.69e4·53-s − 4.36e4·57-s − 1.87e4·59-s + 3.30e4·61-s − 2.55e4·63-s − 5.59e3·67-s + 7.23e4·69-s + ⋯
L(s)  = 1  − 1.22·3-s − 1.62·7-s + 0.500·9-s + 0.0455·11-s + 1.37·13-s − 0.245·17-s + 1.45·19-s + 1.98·21-s − 1.49·23-s + 0.612·27-s + 1.00·29-s + 0.272·31-s − 0.0557·33-s + 0.661·37-s − 1.67·39-s − 0.0573·41-s − 1.30·43-s + 1.92·47-s + 1.62·49-s + 0.300·51-s − 1.80·53-s − 1.78·57-s − 0.699·59-s + 1.13·61-s − 0.810·63-s − 0.152·67-s + 1.82·69-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: \(1\)
Selberg data: \((2,\ 400,\ (\ :5/2),\ -1)\)

Particular Values

\(L(3)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{7}{2})\) 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 \( 1 + 19.0T + 243T^{2} \)
7 \( 1 + 210.T + 1.68e4T^{2} \)
11 \( 1 - 18.2T + 1.61e5T^{2} \)
13 \( 1 - 834.T + 3.71e5T^{2} \)
17 \( 1 + 292.T + 1.41e6T^{2} \)
19 \( 1 - 2.28e3T + 2.47e6T^{2} \)
23 \( 1 + 3.78e3T + 6.43e6T^{2} \)
29 \( 1 - 4.55e3T + 2.05e7T^{2} \)
31 \( 1 - 1.45e3T + 2.86e7T^{2} \)
37 \( 1 - 5.50e3T + 6.93e7T^{2} \)
41 \( 1 + 616.T + 1.15e8T^{2} \)
43 \( 1 + 1.58e4T + 1.47e8T^{2} \)
47 \( 1 - 2.91e4T + 2.29e8T^{2} \)
53 \( 1 + 3.69e4T + 4.18e8T^{2} \)
59 \( 1 + 1.87e4T + 7.14e8T^{2} \)
61 \( 1 - 3.30e4T + 8.44e8T^{2} \)
67 \( 1 + 5.59e3T + 1.35e9T^{2} \)
71 \( 1 + 3.15e4T + 1.80e9T^{2} \)
73 \( 1 - 8.61e4T + 2.07e9T^{2} \)
79 \( 1 - 3.45e4T + 3.07e9T^{2} \)
83 \( 1 + 8.93e4T + 3.93e9T^{2} \)
89 \( 1 - 4.54e4T + 5.58e9T^{2} \)
97 \( 1 + 1.33e5T + 8.58e9T^{2} \)
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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

−10.09710951014079753754519845092, −9.339820435153326561803156908369, −8.127188158768506057336392140763, −6.72371414635739374343850780064, −6.21717541522253512518479959779, −5.44420586462550845768383812233, −4.01881268875298274650527961123, −2.97204456456654716333945808421, −1.05519298212469748941221613777, 0, 1.05519298212469748941221613777, 2.97204456456654716333945808421, 4.01881268875298274650527961123, 5.44420586462550845768383812233, 6.21717541522253512518479959779, 6.72371414635739374343850780064, 8.127188158768506057336392140763, 9.339820435153326561803156908369, 10.09710951014079753754519845092

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