Properties

Label 2-8820-21.20-c1-0-31
Degree $2$
Conductor $8820$
Sign $0.860 + 0.508i$
Analytic cond. $70.4280$
Root an. cond. $8.39214$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 5-s − 0.471i·11-s − 3.01i·13-s + 5.79·17-s + 5.14i·19-s + 1.83i·23-s + 25-s − 3.94i·29-s − 3.95i·31-s − 2.74·37-s − 4.82·41-s + 5.86·43-s + 6.56·47-s + 2.80i·53-s + 0.471i·55-s + ⋯
L(s)  = 1  − 0.447·5-s − 0.142i·11-s − 0.835i·13-s + 1.40·17-s + 1.18i·19-s + 0.382i·23-s + 0.200·25-s − 0.731i·29-s − 0.710i·31-s − 0.450·37-s − 0.752·41-s + 0.893·43-s + 0.957·47-s + 0.385i·53-s + 0.0636i·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8820 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.860 + 0.508i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8820 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.860 + 0.508i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8820\)    =    \(2^{2} \cdot 3^{2} \cdot 5 \cdot 7^{2}\)
Sign: $0.860 + 0.508i$
Analytic conductor: \(70.4280\)
Root analytic conductor: \(8.39214\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{8820} (881, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 8820,\ (\ :1/2),\ 0.860 + 0.508i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.780110931\)
\(L(\frac12)\) \(\approx\) \(1.780110931\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
5 \( 1 + T \)
7 \( 1 \)
good11 \( 1 + 0.471iT - 11T^{2} \)
13 \( 1 + 3.01iT - 13T^{2} \)
17 \( 1 - 5.79T + 17T^{2} \)
19 \( 1 - 5.14iT - 19T^{2} \)
23 \( 1 - 1.83iT - 23T^{2} \)
29 \( 1 + 3.94iT - 29T^{2} \)
31 \( 1 + 3.95iT - 31T^{2} \)
37 \( 1 + 2.74T + 37T^{2} \)
41 \( 1 + 4.82T + 41T^{2} \)
43 \( 1 - 5.86T + 43T^{2} \)
47 \( 1 - 6.56T + 47T^{2} \)
53 \( 1 - 2.80iT - 53T^{2} \)
59 \( 1 + 5.98T + 59T^{2} \)
61 \( 1 + 1.15iT - 61T^{2} \)
67 \( 1 + 4.25T + 67T^{2} \)
71 \( 1 - 9.68iT - 71T^{2} \)
73 \( 1 + 11.5iT - 73T^{2} \)
79 \( 1 - 11.9T + 79T^{2} \)
83 \( 1 - 4.45T + 83T^{2} \)
89 \( 1 + 4.41T + 89T^{2} \)
97 \( 1 - 3.56iT - 97T^{2} \)
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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

−7.84447287675979329806786915377, −7.21361477196269375476287529357, −6.13323725877078285911735369739, −5.71768917746118836637224170087, −5.00150172661915846784515984179, −3.99674015020094899393368382448, −3.48713561963765999515980764516, −2.69358572709514694346432087235, −1.55952692746533215731567345564, −0.57974939924754021019945768657, 0.76763232343447019691591995987, 1.77644591714147747238837352301, 2.82542230683087524076875559851, 3.50014421439849187707977911338, 4.34432963002013875020823504232, 4.99067273066535963202698718428, 5.68034217948600791765890331043, 6.64119276046277839934706939926, 7.09050559416827787784865172322, 7.74601950162410411034124027799

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