Properties

Label 2-8820-21.20-c1-0-2
Degree $2$
Conductor $8820$
Sign $-0.970 - 0.239i$
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 − 5.89i·11-s + 4.65i·13-s − 2.10·17-s + 5.25i·19-s + 7.83i·23-s + 25-s + 0.273i·29-s − 4.93i·31-s + 5.83·37-s − 2.26·41-s + 8.63·43-s − 4.98·47-s − 5.62i·53-s + 5.89i·55-s + ⋯
L(s)  = 1  − 0.447·5-s − 1.77i·11-s + 1.29i·13-s − 0.509·17-s + 1.20i·19-s + 1.63i·23-s + 0.200·25-s + 0.0508i·29-s − 0.885i·31-s + 0.959·37-s − 0.353·41-s + 1.31·43-s − 0.727·47-s − 0.772i·53-s + 0.795i·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8820 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.970 - 0.239i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8820 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.970 - 0.239i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8820\)    =    \(2^{2} \cdot 3^{2} \cdot 5 \cdot 7^{2}\)
Sign: $-0.970 - 0.239i$
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: \((2,\ 8820,\ (\ :1/2),\ -0.970 - 0.239i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.2256197863\)
\(L(\frac12)\) \(\approx\) \(0.2256197863\)
\(L(\frac{3}{2})\) 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 \( 1 + 5.89iT - 11T^{2} \)
13 \( 1 - 4.65iT - 13T^{2} \)
17 \( 1 + 2.10T + 17T^{2} \)
19 \( 1 - 5.25iT - 19T^{2} \)
23 \( 1 - 7.83iT - 23T^{2} \)
29 \( 1 - 0.273iT - 29T^{2} \)
31 \( 1 + 4.93iT - 31T^{2} \)
37 \( 1 - 5.83T + 37T^{2} \)
41 \( 1 + 2.26T + 41T^{2} \)
43 \( 1 - 8.63T + 43T^{2} \)
47 \( 1 + 4.98T + 47T^{2} \)
53 \( 1 + 5.62iT - 53T^{2} \)
59 \( 1 + 4.67T + 59T^{2} \)
61 \( 1 + 9.48iT - 61T^{2} \)
67 \( 1 + 7.46T + 67T^{2} \)
71 \( 1 + 14.3iT - 71T^{2} \)
73 \( 1 - 0.741iT - 73T^{2} \)
79 \( 1 - 2.95T + 79T^{2} \)
83 \( 1 + 6.84T + 83T^{2} \)
89 \( 1 - 6.81T + 89T^{2} \)
97 \( 1 + 4.90iT - 97T^{2} \)
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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

−7.930213063244031624659265652914, −7.61309931755229127336498692979, −6.54139319965024319852774112749, −6.09557505580700330566044245030, −5.41773057811038399299189155400, −4.45847386454445489983595771257, −3.74044901519537018754384783789, −3.25325766865318926882387060284, −2.11339758511298202383221160718, −1.18112562879885257544446108760, 0.05610106808497856506895067212, 1.19801587135602101741384484147, 2.48327374027496102317068482290, 2.84097294807955783441657169814, 4.13553297762374747562062208105, 4.56773289208786855851101796605, 5.19371235365489653493682188212, 6.15799770706942356420008282738, 6.93494167862532266429634995139, 7.33864362406410046104890539316

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