Properties

Label 2-20e2-1.1-c5-0-15
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  + 24·3-s − 172·7-s + 333·9-s − 132·11-s + 946·13-s + 222·17-s − 500·19-s − 4.12e3·21-s + 3.56e3·23-s + 2.16e3·27-s + 2.19e3·29-s − 2.31e3·31-s − 3.16e3·33-s + 1.12e4·37-s + 2.27e4·39-s + 1.24e3·41-s + 2.06e4·43-s + 6.58e3·47-s + 1.27e4·49-s + 5.32e3·51-s + 2.10e4·53-s − 1.20e4·57-s − 7.98e3·59-s + 1.66e4·61-s − 5.72e4·63-s + 1.80e3·67-s + 8.55e4·69-s + ⋯
L(s)  = 1  + 1.53·3-s − 1.32·7-s + 1.37·9-s − 0.328·11-s + 1.55·13-s + 0.186·17-s − 0.317·19-s − 2.04·21-s + 1.40·23-s + 0.570·27-s + 0.483·29-s − 0.432·31-s − 0.506·33-s + 1.35·37-s + 2.39·39-s + 0.115·41-s + 1.70·43-s + 0.435·47-s + 0.760·49-s + 0.286·51-s + 1.03·53-s − 0.489·57-s − 0.298·59-s + 0.571·61-s − 1.81·63-s + 0.0492·67-s + 2.16·69-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

\(L(3)\) \(\approx\) \(3.554203552\)
\(L(\frac12)\) \(\approx\) \(3.554203552\)
\(L(\frac{7}{2})\) 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 \( 1 - 8 p T + p^{5} T^{2} \)
7 \( 1 + 172 T + p^{5} T^{2} \)
11 \( 1 + 12 p T + p^{5} T^{2} \)
13 \( 1 - 946 T + p^{5} T^{2} \)
17 \( 1 - 222 T + p^{5} T^{2} \)
19 \( 1 + 500 T + p^{5} T^{2} \)
23 \( 1 - 3564 T + p^{5} T^{2} \)
29 \( 1 - 2190 T + p^{5} T^{2} \)
31 \( 1 + 2312 T + p^{5} T^{2} \)
37 \( 1 - 11242 T + p^{5} T^{2} \)
41 \( 1 - 1242 T + p^{5} T^{2} \)
43 \( 1 - 20624 T + p^{5} T^{2} \)
47 \( 1 - 6588 T + p^{5} T^{2} \)
53 \( 1 - 21066 T + p^{5} T^{2} \)
59 \( 1 + 7980 T + p^{5} T^{2} \)
61 \( 1 - 16622 T + p^{5} T^{2} \)
67 \( 1 - 1808 T + p^{5} T^{2} \)
71 \( 1 - 24528 T + p^{5} T^{2} \)
73 \( 1 + 20474 T + p^{5} T^{2} \)
79 \( 1 - 46240 T + p^{5} T^{2} \)
83 \( 1 + 51576 T + p^{5} T^{2} \)
89 \( 1 + 110310 T + p^{5} T^{2} \)
97 \( 1 - 78382 T + p^{5} T^{2} \)
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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

−10.24394845784817453388211028322, −9.261729709051755189871456658286, −8.811659641743806043837545786100, −7.83455579511872992021731080829, −6.83672249537722280406326622905, −5.83496441988116811677371288147, −4.11038522984696904153830484632, −3.28146233130901227098852266694, −2.51402285945511922008059471115, −0.952756144615457139382659050003, 0.952756144615457139382659050003, 2.51402285945511922008059471115, 3.28146233130901227098852266694, 4.11038522984696904153830484632, 5.83496441988116811677371288147, 6.83672249537722280406326622905, 7.83455579511872992021731080829, 8.811659641743806043837545786100, 9.261729709051755189871456658286, 10.24394845784817453388211028322

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