Properties

Label 2-8820-21.20-c1-0-49
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 − 3.53i·11-s − 0.599i·13-s + 1.69·17-s − 7.78i·19-s + 3.31i·23-s + 25-s − 0.456i·29-s + 1.05i·31-s − 0.386·37-s + 0.478·41-s − 4.21·43-s − 8.55·47-s − 3.98i·53-s + 3.53i·55-s + ⋯
L(s)  = 1  − 0.447·5-s − 1.06i·11-s − 0.166i·13-s + 0.411·17-s − 1.78i·19-s + 0.690i·23-s + 0.200·25-s − 0.0846i·29-s + 0.189i·31-s − 0.0634·37-s + 0.0746·41-s − 0.642·43-s − 1.24·47-s − 0.548i·53-s + 0.476i·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

\(L(1)\) \(\approx\) \(0.7110843431\)
\(L(\frac12)\) \(\approx\) \(0.7110843431\)
\(L(\frac{3}{2})\) 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 \( 1 + 3.53iT - 11T^{2} \)
13 \( 1 + 0.599iT - 13T^{2} \)
17 \( 1 - 1.69T + 17T^{2} \)
19 \( 1 + 7.78iT - 19T^{2} \)
23 \( 1 - 3.31iT - 23T^{2} \)
29 \( 1 + 0.456iT - 29T^{2} \)
31 \( 1 - 1.05iT - 31T^{2} \)
37 \( 1 + 0.386T + 37T^{2} \)
41 \( 1 - 0.478T + 41T^{2} \)
43 \( 1 + 4.21T + 43T^{2} \)
47 \( 1 + 8.55T + 47T^{2} \)
53 \( 1 + 3.98iT - 53T^{2} \)
59 \( 1 - 2.60T + 59T^{2} \)
61 \( 1 + 11.0iT - 61T^{2} \)
67 \( 1 - 2.87T + 67T^{2} \)
71 \( 1 - 0.336iT - 71T^{2} \)
73 \( 1 + 3.08iT - 73T^{2} \)
79 \( 1 + 13.6T + 79T^{2} \)
83 \( 1 - 16.2T + 83T^{2} \)
89 \( 1 - 10.6T + 89T^{2} \)
97 \( 1 + 2.18iT - 97T^{2} \)
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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

−7.50665249420963265057510705830, −6.72192578192706820810614738579, −6.17514341029445547005148316341, −5.19339871983887342607124377562, −4.82887377707771286922619054882, −3.67449403321880872530651957269, −3.24739301161819309704253570856, −2.34162909984228035699970546010, −1.11200854711268177718269834076, −0.17832029650219279202390169015, 1.28458539700699069135887779864, 2.09075877452166890297541818124, 3.10228266844231192840868845789, 3.91066623837938659854521325574, 4.48655518606255771088144927678, 5.28514936612525705973239919943, 6.04099355347630905425441760792, 6.77430785473304859623880535735, 7.42999397810628425393308718278, 8.035938627200035953161067866716

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