Properties

Label 2-20e2-1.1-c5-0-44
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  + 30.2·3-s − 141.·7-s + 670.·9-s − 273.·11-s − 945.·13-s − 1.21e3·17-s − 135.·19-s − 4.27e3·21-s − 2.73e3·23-s + 1.29e4·27-s − 3.07e3·29-s + 1.41e3·31-s − 8.26e3·33-s + 3.15e3·37-s − 2.85e4·39-s − 1.34e4·41-s + 5.43e3·43-s − 3.26e3·47-s + 3.17e3·49-s − 3.66e4·51-s − 2.14e4·53-s − 4.10e3·57-s + 4.14e4·59-s − 2.43e4·61-s − 9.47e4·63-s − 3.23e4·67-s − 8.25e4·69-s + ⋯
L(s)  = 1  + 1.93·3-s − 1.09·7-s + 2.75·9-s − 0.681·11-s − 1.55·13-s − 1.01·17-s − 0.0863·19-s − 2.11·21-s − 1.07·23-s + 3.41·27-s − 0.679·29-s + 0.263·31-s − 1.32·33-s + 0.378·37-s − 3.00·39-s − 1.25·41-s + 0.448·43-s − 0.215·47-s + 0.188·49-s − 1.97·51-s − 1.04·53-s − 0.167·57-s + 1.54·59-s − 0.838·61-s − 3.00·63-s − 0.879·67-s − 2.08·69-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 \( 1 - 30.2T + 243T^{2} \)
7 \( 1 + 141.T + 1.68e4T^{2} \)
11 \( 1 + 273.T + 1.61e5T^{2} \)
13 \( 1 + 945.T + 3.71e5T^{2} \)
17 \( 1 + 1.21e3T + 1.41e6T^{2} \)
19 \( 1 + 135.T + 2.47e6T^{2} \)
23 \( 1 + 2.73e3T + 6.43e6T^{2} \)
29 \( 1 + 3.07e3T + 2.05e7T^{2} \)
31 \( 1 - 1.41e3T + 2.86e7T^{2} \)
37 \( 1 - 3.15e3T + 6.93e7T^{2} \)
41 \( 1 + 1.34e4T + 1.15e8T^{2} \)
43 \( 1 - 5.43e3T + 1.47e8T^{2} \)
47 \( 1 + 3.26e3T + 2.29e8T^{2} \)
53 \( 1 + 2.14e4T + 4.18e8T^{2} \)
59 \( 1 - 4.14e4T + 7.14e8T^{2} \)
61 \( 1 + 2.43e4T + 8.44e8T^{2} \)
67 \( 1 + 3.23e4T + 1.35e9T^{2} \)
71 \( 1 - 3.86e4T + 1.80e9T^{2} \)
73 \( 1 + 8.08e3T + 2.07e9T^{2} \)
79 \( 1 - 1.59e4T + 3.07e9T^{2} \)
83 \( 1 - 4.84e4T + 3.93e9T^{2} \)
89 \( 1 - 8.91e4T + 5.58e9T^{2} \)
97 \( 1 - 5.68e4T + 8.58e9T^{2} \)
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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

−9.743119765948505741168653436246, −9.194410522219928394969664716935, −8.154823723438107718582891575551, −7.43092177667232257446274584876, −6.54369233067865337821480519154, −4.79029901663408179373286700273, −3.71200234586889404540471896710, −2.72927127657285763448966296137, −2.04877654352521529211727535922, 0, 2.04877654352521529211727535922, 2.72927127657285763448966296137, 3.71200234586889404540471896710, 4.79029901663408179373286700273, 6.54369233067865337821480519154, 7.43092177667232257446274584876, 8.154823723438107718582891575551, 9.194410522219928394969664716935, 9.743119765948505741168653436246

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