Properties

Label 2-20e2-1.1-c5-0-6
Degree $2$
Conductor $400$
Sign $1$
Analytic cond. $64.1535$
Root an. cond. $8.00958$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 6·3-s − 118·7-s − 207·9-s − 192·11-s − 1.10e3·13-s − 762·17-s + 2.74e3·19-s − 708·21-s + 1.56e3·23-s − 2.70e3·27-s + 5.91e3·29-s + 6.86e3·31-s − 1.15e3·33-s + 5.51e3·37-s − 6.63e3·39-s − 378·41-s − 2.43e3·43-s + 1.31e4·47-s − 2.88e3·49-s − 4.57e3·51-s + 9.17e3·53-s + 1.64e4·57-s + 3.49e4·59-s − 9.83e3·61-s + 2.44e4·63-s + 3.37e4·67-s + 9.39e3·69-s + ⋯
L(s)  = 1  + 0.384·3-s − 0.910·7-s − 0.851·9-s − 0.478·11-s − 1.81·13-s − 0.639·17-s + 1.74·19-s − 0.350·21-s + 0.617·23-s − 0.712·27-s + 1.30·29-s + 1.28·31-s − 0.184·33-s + 0.662·37-s − 0.698·39-s − 0.0351·41-s − 0.200·43-s + 0.866·47-s − 0.171·49-s − 0.246·51-s + 0.448·53-s + 0.670·57-s + 1.30·59-s − 0.338·61-s + 0.775·63-s + 0.917·67-s + 0.237·69-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: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(1.413078436\)
\(L(\frac12)\) \(\approx\) \(1.413078436\)
\(L(\frac{7}{2})\) 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 \( 1 - 2 p T + p^{5} T^{2} \)
7 \( 1 + 118 T + p^{5} T^{2} \)
11 \( 1 + 192 T + p^{5} T^{2} \)
13 \( 1 + 1106 T + p^{5} T^{2} \)
17 \( 1 + 762 T + p^{5} T^{2} \)
19 \( 1 - 2740 T + p^{5} T^{2} \)
23 \( 1 - 1566 T + p^{5} T^{2} \)
29 \( 1 - 5910 T + p^{5} T^{2} \)
31 \( 1 - 6868 T + p^{5} T^{2} \)
37 \( 1 - 5518 T + p^{5} T^{2} \)
41 \( 1 + 378 T + p^{5} T^{2} \)
43 \( 1 + 2434 T + p^{5} T^{2} \)
47 \( 1 - 13122 T + p^{5} T^{2} \)
53 \( 1 - 9174 T + p^{5} T^{2} \)
59 \( 1 - 34980 T + p^{5} T^{2} \)
61 \( 1 + 9838 T + p^{5} T^{2} \)
67 \( 1 - 33722 T + p^{5} T^{2} \)
71 \( 1 + 70212 T + p^{5} T^{2} \)
73 \( 1 + 21986 T + p^{5} T^{2} \)
79 \( 1 + 4520 T + p^{5} T^{2} \)
83 \( 1 + 109074 T + p^{5} T^{2} \)
89 \( 1 - 38490 T + p^{5} T^{2} \)
97 \( 1 - 1918 T + p^{5} T^{2} \)
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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

−10.17008314991347024851093134712, −9.638198094674950953685455977866, −8.691623183560660187081764180433, −7.64257352862693891441158175457, −6.81570278441390885381646879589, −5.61092605414331606096215716344, −4.65165374953592395573976834718, −3.04517599026005676930035067922, −2.57799054975783201955172787051, −0.58585769520788832115448019778, 0.58585769520788832115448019778, 2.57799054975783201955172787051, 3.04517599026005676930035067922, 4.65165374953592395573976834718, 5.61092605414331606096215716344, 6.81570278441390885381646879589, 7.64257352862693891441158175457, 8.691623183560660187081764180433, 9.638198094674950953685455977866, 10.17008314991347024851093134712

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