Properties

Label 2-20e2-5.4-c5-0-14
Degree $2$
Conductor $400$
Sign $-0.894 - 0.447i$
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  + 19.5i·3-s + 35.0i·7-s − 138.·9-s + 426.·11-s + 1.10e3i·13-s − 109. i·17-s + 495.·19-s − 684.·21-s − 2.49e3i·23-s + 2.04e3i·27-s + 42.4·29-s + 7.99e3·31-s + 8.31e3i·33-s + 1.37e4i·37-s − 2.15e4·39-s + ⋯
L(s)  = 1  + 1.25i·3-s + 0.270i·7-s − 0.568·9-s + 1.06·11-s + 1.81i·13-s − 0.0917i·17-s + 0.315·19-s − 0.338·21-s − 0.984i·23-s + 0.540i·27-s + 0.00936·29-s + 1.49·31-s + 1.32i·33-s + 1.65i·37-s − 2.26·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.894 - 0.447i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 400 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (-0.894 - 0.447i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(400\)    =    \(2^{4} \cdot 5^{2}\)
Sign: $-0.894 - 0.447i$
Analytic conductor: \(64.1535\)
Root analytic conductor: \(8.00958\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: $\chi_{400} (49, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 400,\ (\ :5/2),\ -0.894 - 0.447i)\)

Particular Values

\(L(3)\) \(\approx\) \(2.109650263\)
\(L(\frac12)\) \(\approx\) \(2.109650263\)
\(L(\frac{7}{2})\) 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 \( 1 - 19.5iT - 243T^{2} \)
7 \( 1 - 35.0iT - 1.68e4T^{2} \)
11 \( 1 - 426.T + 1.61e5T^{2} \)
13 \( 1 - 1.10e3iT - 3.71e5T^{2} \)
17 \( 1 + 109. iT - 1.41e6T^{2} \)
19 \( 1 - 495.T + 2.47e6T^{2} \)
23 \( 1 + 2.49e3iT - 6.43e6T^{2} \)
29 \( 1 - 42.4T + 2.05e7T^{2} \)
31 \( 1 - 7.99e3T + 2.86e7T^{2} \)
37 \( 1 - 1.37e4iT - 6.93e7T^{2} \)
41 \( 1 - 1.18e4T + 1.15e8T^{2} \)
43 \( 1 - 1.68e4iT - 1.47e8T^{2} \)
47 \( 1 + 1.30e4iT - 2.29e8T^{2} \)
53 \( 1 - 1.78e4iT - 4.18e8T^{2} \)
59 \( 1 + 4.73e4T + 7.14e8T^{2} \)
61 \( 1 + 2.27e4T + 8.44e8T^{2} \)
67 \( 1 + 3.94e4iT - 1.35e9T^{2} \)
71 \( 1 - 1.61e3T + 1.80e9T^{2} \)
73 \( 1 - 5.32e4iT - 2.07e9T^{2} \)
79 \( 1 + 6.51e3T + 3.07e9T^{2} \)
83 \( 1 + 4.60e4iT - 3.93e9T^{2} \)
89 \( 1 + 1.13e5T + 5.58e9T^{2} \)
97 \( 1 + 1.07e5iT - 8.58e9T^{2} \)
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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

−10.80305212980045218807809189284, −9.725109820380424213106765716269, −9.282738490715755721777270444833, −8.420850028835741052653917071925, −6.92056930323724152326141421754, −6.11243150780367246229444345206, −4.57507322350901849406156385268, −4.28639793002614092324151207971, −2.92925878728820146068957485401, −1.39210243294453318986926915077, 0.57078583167653498487124373135, 1.36512564553566985843762672332, 2.72809883092505504913273257748, 3.96797720615073122359533515122, 5.51126758930304394086993144781, 6.35190325457508689774859263014, 7.39771546973636272469161199618, 7.898112085574360027679138584563, 9.040441327098644985681936263304, 10.11760989646511271037322229875

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