Properties

Label 2-8820-21.20-c1-0-19
Degree $2$
Conductor $8820$
Sign $0.716 - 0.698i$
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 + 5.20i·11-s + 2.02i·13-s − 4.07·17-s + 0.815i·19-s − 7.37i·23-s + 25-s − 1.50i·29-s − 10.0i·31-s + 4.00·37-s + 3.30·41-s + 7.47·43-s + 6.61·47-s − 8.97i·53-s − 5.20i·55-s + ⋯
L(s)  = 1  − 0.447·5-s + 1.57i·11-s + 0.561i·13-s − 0.988·17-s + 0.187i·19-s − 1.53i·23-s + 0.200·25-s − 0.279i·29-s − 1.81i·31-s + 0.658·37-s + 0.515·41-s + 1.14·43-s + 0.965·47-s − 1.23i·53-s − 0.702i·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8820 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.716 - 0.698i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8820 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.716 - 0.698i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8820\)    =    \(2^{2} \cdot 3^{2} \cdot 5 \cdot 7^{2}\)
Sign: $0.716 - 0.698i$
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: \((2,\ 8820,\ (\ :1/2),\ 0.716 - 0.698i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.526056094\)
\(L(\frac12)\) \(\approx\) \(1.526056094\)
\(L(\frac{3}{2})\) 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 \( 1 - 5.20iT - 11T^{2} \)
13 \( 1 - 2.02iT - 13T^{2} \)
17 \( 1 + 4.07T + 17T^{2} \)
19 \( 1 - 0.815iT - 19T^{2} \)
23 \( 1 + 7.37iT - 23T^{2} \)
29 \( 1 + 1.50iT - 29T^{2} \)
31 \( 1 + 10.0iT - 31T^{2} \)
37 \( 1 - 4.00T + 37T^{2} \)
41 \( 1 - 3.30T + 41T^{2} \)
43 \( 1 - 7.47T + 43T^{2} \)
47 \( 1 - 6.61T + 47T^{2} \)
53 \( 1 + 8.97iT - 53T^{2} \)
59 \( 1 + 7.67T + 59T^{2} \)
61 \( 1 + 10.0iT - 61T^{2} \)
67 \( 1 - 2.05T + 67T^{2} \)
71 \( 1 - 6.47iT - 71T^{2} \)
73 \( 1 - 11.9iT - 73T^{2} \)
79 \( 1 - 5.61T + 79T^{2} \)
83 \( 1 + 10.6T + 83T^{2} \)
89 \( 1 - 2.14T + 89T^{2} \)
97 \( 1 - 17.1iT - 97T^{2} \)
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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

−7.76838013065595392938329395863, −7.17042260612697632231550347105, −6.55624069876323211465959341630, −5.90734605255920463440483682884, −4.75911077598701583436691386170, −4.39669061581543101459894242464, −3.81823058688403560326799477663, −2.39358463645446586580768982324, −2.17888566667302771174342665022, −0.70921426319946553571939709467, 0.51718382220880686396917511109, 1.47484320468127888511685169981, 2.80337584973289482074997661278, 3.26301280078834151925915486814, 4.10028435197096220863102803919, 4.88062141414055121584740263941, 5.76673436882356918067222731391, 6.11062130831097471124147862470, 7.17094968494260541774372546534, 7.57867846166903197714767767539

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