Properties

Label 2-20e2-1.1-c9-0-53
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  + 268.·3-s − 637.·7-s + 5.24e4·9-s + 4.90e4·11-s + 7.27e4·13-s + 6.73e4·17-s − 3.41e5·19-s − 1.71e5·21-s + 1.34e5·23-s + 8.81e6·27-s + 4.45e6·29-s − 4.56e5·31-s + 1.31e7·33-s + 1.30e7·37-s + 1.95e7·39-s − 2.56e7·41-s − 3.42e6·43-s + 3.39e7·47-s − 3.99e7·49-s + 1.80e7·51-s − 8.42e7·53-s − 9.16e7·57-s + 7.46e7·59-s + 1.78e8·61-s − 3.34e7·63-s − 6.94e7·67-s + 3.60e7·69-s + ⋯
L(s)  = 1  + 1.91·3-s − 0.100·7-s + 2.66·9-s + 1.00·11-s + 0.706·13-s + 0.195·17-s − 0.600·19-s − 0.192·21-s + 0.100·23-s + 3.19·27-s + 1.17·29-s − 0.0887·31-s + 1.93·33-s + 1.14·37-s + 1.35·39-s − 1.41·41-s − 0.152·43-s + 1.01·47-s − 0.989·49-s + 0.374·51-s − 1.46·53-s − 1.15·57-s + 0.801·59-s + 1.64·61-s − 0.267·63-s − 0.420·67-s + 0.191·69-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

\(L(5)\) \(\approx\) \(6.399781750\)
\(L(\frac12)\) \(\approx\) \(6.399781750\)
\(L(\frac{11}{2})\) 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 \( 1 - 268.T + 1.96e4T^{2} \)
7 \( 1 + 637.T + 4.03e7T^{2} \)
11 \( 1 - 4.90e4T + 2.35e9T^{2} \)
13 \( 1 - 7.27e4T + 1.06e10T^{2} \)
17 \( 1 - 6.73e4T + 1.18e11T^{2} \)
19 \( 1 + 3.41e5T + 3.22e11T^{2} \)
23 \( 1 - 1.34e5T + 1.80e12T^{2} \)
29 \( 1 - 4.45e6T + 1.45e13T^{2} \)
31 \( 1 + 4.56e5T + 2.64e13T^{2} \)
37 \( 1 - 1.30e7T + 1.29e14T^{2} \)
41 \( 1 + 2.56e7T + 3.27e14T^{2} \)
43 \( 1 + 3.42e6T + 5.02e14T^{2} \)
47 \( 1 - 3.39e7T + 1.11e15T^{2} \)
53 \( 1 + 8.42e7T + 3.29e15T^{2} \)
59 \( 1 - 7.46e7T + 8.66e15T^{2} \)
61 \( 1 - 1.78e8T + 1.16e16T^{2} \)
67 \( 1 + 6.94e7T + 2.72e16T^{2} \)
71 \( 1 - 2.07e8T + 4.58e16T^{2} \)
73 \( 1 + 3.02e8T + 5.88e16T^{2} \)
79 \( 1 + 3.72e8T + 1.19e17T^{2} \)
83 \( 1 + 4.50e8T + 1.86e17T^{2} \)
89 \( 1 - 5.82e7T + 3.50e17T^{2} \)
97 \( 1 - 7.85e8T + 7.60e17T^{2} \)
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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

−9.567628406022909974854768924962, −8.695430528485239564475384398310, −8.252872586786359162976251109402, −7.15114657801224712672265014397, −6.32314315780071253789783039577, −4.56415155602401910327325088771, −3.74615450068004819524596081298, −2.96224743626738554072658757308, −1.89968752742397370058903708265, −1.03189583883855505806110033950, 1.03189583883855505806110033950, 1.89968752742397370058903708265, 2.96224743626738554072658757308, 3.74615450068004819524596081298, 4.56415155602401910327325088771, 6.32314315780071253789783039577, 7.15114657801224712672265014397, 8.252872586786359162976251109402, 8.695430528485239564475384398310, 9.567628406022909974854768924962

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