Properties

Label 2-20e2-5.4-c9-0-79
Degree $2$
Conductor $400$
Sign $0.894 - 0.447i$
Analytic cond. $206.014$
Root an. cond. $14.3531$
Motivic weight $9$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 210. i·3-s − 9.90e3i·7-s − 2.44e4·9-s − 3.64e4·11-s − 1.64e5i·13-s + 8.23e4i·17-s − 6.09e5·19-s − 2.08e6·21-s + 1.88e6i·23-s + 1.01e6i·27-s − 3.39e5·29-s − 5.47e5·31-s + 7.66e6i·33-s + 5.25e6i·37-s − 3.46e7·39-s + ⋯
L(s)  = 1  − 1.49i·3-s − 1.55i·7-s − 1.24·9-s − 0.750·11-s − 1.60i·13-s + 0.239i·17-s − 1.07·19-s − 2.33·21-s + 1.40i·23-s + 0.365i·27-s − 0.0890·29-s − 0.106·31-s + 1.12i·33-s + 0.461i·37-s − 2.39·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.894 - 0.447i)\, \overline{\Lambda}(10-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+9/2) \, L(s)\cr =\mathstrut & (0.894 - 0.447i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $0.894 - 0.447i$
Analytic conductor: \(206.014\)
Root analytic conductor: \(14.3531\)
Motivic weight: \(9\)
Rational: no
Arithmetic: yes
Character: $\chi_{400} (49, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :9/2),\ 0.894 - 0.447i)\)

Particular Values

\(L(5)\) \(\approx\) \(0.1522017698\)
\(L(\frac12)\) \(\approx\) \(0.1522017698\)
\(L(\frac{11}{2})\) 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 \( 1 + 210. iT - 1.96e4T^{2} \)
7 \( 1 + 9.90e3iT - 4.03e7T^{2} \)
11 \( 1 + 3.64e4T + 2.35e9T^{2} \)
13 \( 1 + 1.64e5iT - 1.06e10T^{2} \)
17 \( 1 - 8.23e4iT - 1.18e11T^{2} \)
19 \( 1 + 6.09e5T + 3.22e11T^{2} \)
23 \( 1 - 1.88e6iT - 1.80e12T^{2} \)
29 \( 1 + 3.39e5T + 1.45e13T^{2} \)
31 \( 1 + 5.47e5T + 2.64e13T^{2} \)
37 \( 1 - 5.25e6iT - 1.29e14T^{2} \)
41 \( 1 - 2.05e6T + 3.27e14T^{2} \)
43 \( 1 + 6.76e6iT - 5.02e14T^{2} \)
47 \( 1 + 3.15e7iT - 1.11e15T^{2} \)
53 \( 1 - 4.89e7iT - 3.29e15T^{2} \)
59 \( 1 - 8.77e7T + 8.66e15T^{2} \)
61 \( 1 - 3.84e7T + 1.16e16T^{2} \)
67 \( 1 - 1.36e8iT - 2.72e16T^{2} \)
71 \( 1 + 3.49e8T + 4.58e16T^{2} \)
73 \( 1 + 1.61e8iT - 5.88e16T^{2} \)
79 \( 1 + 1.26e8T + 1.19e17T^{2} \)
83 \( 1 + 2.87e8iT - 1.86e17T^{2} \)
89 \( 1 - 5.63e8T + 3.50e17T^{2} \)
97 \( 1 + 4.71e8iT - 7.60e17T^{2} \)
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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

−8.512202469086879843914731719772, −7.66869929870064254366112796351, −7.33480625647035220985531196299, −6.28501547042185576762236530694, −5.30420056927059400361793881496, −3.90241198539099715163165138224, −2.80665208883509954974571775726, −1.61621447037682456041063898463, −0.75960086684049779893969625301, −0.03369591103947671414233440183, 2.04894280587728252100971859916, 2.79742379647505793393120930995, 4.12284884774896575050444350530, 4.80200198833781222605847069419, 5.70550377896811179424707004515, 6.68067740852695020333439663039, 8.315696454191997221130591905324, 8.965285417480988709504493815341, 9.566952521426955954255183252111, 10.54412632349062632767403007183

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