Properties

Label 2-20e2-20.3-c5-0-1
Degree $2$
Conductor $400$
Sign $-0.130 + 0.991i$
Analytic cond. $64.1535$
Root an. cond. $8.00958$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−13.8 + 13.8i)3-s + (−156. − 156. i)7-s − 140. i·9-s + 402. i·11-s + (703. + 703. i)13-s + (−899. + 899. i)17-s + 507.·19-s + 4.32e3·21-s + (−858. + 858. i)23-s + (−1.41e3 − 1.41e3i)27-s + 6.73e3i·29-s + 2.29e3i·31-s + (−5.58e3 − 5.58e3i)33-s + (−6.09e3 + 6.09e3i)37-s − 1.94e4·39-s + ⋯
L(s)  = 1  + (−0.888 + 0.888i)3-s + (−1.20 − 1.20i)7-s − 0.578i·9-s + 1.00i·11-s + (1.15 + 1.15i)13-s + (−0.754 + 0.754i)17-s + 0.322·19-s + 2.14·21-s + (−0.338 + 0.338i)23-s + (−0.374 − 0.374i)27-s + 1.48i·29-s + 0.428i·31-s + (−0.891 − 0.891i)33-s + (−0.731 + 0.731i)37-s − 2.05·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.130 + 0.991i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (-0.130 + 0.991i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $-0.130 + 0.991i$
Analytic conductor: \(64.1535\)
Root analytic conductor: \(8.00958\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: $\chi_{400} (143, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :5/2),\ -0.130 + 0.991i)\)

Particular Values

\(L(3)\) \(\approx\) \(0.03751881584\)
\(L(\frac12)\) \(\approx\) \(0.03751881584\)
\(L(\frac{7}{2})\) 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 \( 1 + (13.8 - 13.8i)T - 243iT^{2} \)
7 \( 1 + (156. + 156. i)T + 1.68e4iT^{2} \)
11 \( 1 - 402. iT - 1.61e5T^{2} \)
13 \( 1 + (-703. - 703. i)T + 3.71e5iT^{2} \)
17 \( 1 + (899. - 899. i)T - 1.41e6iT^{2} \)
19 \( 1 - 507.T + 2.47e6T^{2} \)
23 \( 1 + (858. - 858. i)T - 6.43e6iT^{2} \)
29 \( 1 - 6.73e3iT - 2.05e7T^{2} \)
31 \( 1 - 2.29e3iT - 2.86e7T^{2} \)
37 \( 1 + (6.09e3 - 6.09e3i)T - 6.93e7iT^{2} \)
41 \( 1 + 4.40e3T + 1.15e8T^{2} \)
43 \( 1 + (-5.36e3 + 5.36e3i)T - 1.47e8iT^{2} \)
47 \( 1 + (2.02e4 + 2.02e4i)T + 2.29e8iT^{2} \)
53 \( 1 + (1.01e4 + 1.01e4i)T + 4.18e8iT^{2} \)
59 \( 1 - 3.25e4T + 7.14e8T^{2} \)
61 \( 1 - 4.24e4T + 8.44e8T^{2} \)
67 \( 1 + (1.67e3 + 1.67e3i)T + 1.35e9iT^{2} \)
71 \( 1 - 2.52e4iT - 1.80e9T^{2} \)
73 \( 1 + (-2.53e4 - 2.53e4i)T + 2.07e9iT^{2} \)
79 \( 1 - 4.18e3T + 3.07e9T^{2} \)
83 \( 1 + (4.93e4 - 4.93e4i)T - 3.93e9iT^{2} \)
89 \( 1 + 1.33e5iT - 5.58e9T^{2} \)
97 \( 1 + (-1.00e5 + 1.00e5i)T - 8.58e9iT^{2} \)
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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

−10.94033957769077723321846397505, −10.22436458198359194208714888599, −9.675406581424207246123068839198, −8.567312008479027179998314203947, −6.92723497526062135938768242795, −6.59838667443575085687629996800, −5.26433636746673888959814287101, −4.17096905417551397530549897693, −3.61426263652757484828701034030, −1.58054075951549625314732690250, 0.01419651814593453037423308907, 0.823046852885932857977054382431, 2.48963166946978419209480933854, 3.52525513783496350283117816427, 5.41750229574899362129016516643, 6.07453804845036025846961304684, 6.54512831153899154759724559812, 7.911501759486994216541618078123, 8.839955266974942674508988476164, 9.759329772090590715089321694254

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