Properties

Label 2-8820-21.20-c1-0-40
Degree $2$
Conductor $8820$
Sign $0.0980 + 0.995i$
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 − 1.79i·11-s + 2.19i·13-s + 0.936·17-s − 0.422i·19-s − 4.08i·23-s + 25-s + 8.43i·29-s − 10.6i·31-s + 8.37·37-s + 6.29·41-s − 9.56·43-s − 3.04·47-s + 6.64i·53-s + 1.79i·55-s + ⋯
L(s)  = 1  − 0.447·5-s − 0.539i·11-s + 0.609i·13-s + 0.227·17-s − 0.0970i·19-s − 0.852i·23-s + 0.200·25-s + 1.56i·29-s − 1.90i·31-s + 1.37·37-s + 0.982·41-s − 1.45·43-s − 0.444·47-s + 0.912i·53-s + 0.241i·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8820 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.0980 + 0.995i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8820 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.0980 + 0.995i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8820\)    =    \(2^{2} \cdot 3^{2} \cdot 5 \cdot 7^{2}\)
Sign: $0.0980 + 0.995i$
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: \((2,\ 8820,\ (\ :1/2),\ 0.0980 + 0.995i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.292897978\)
\(L(\frac12)\) \(\approx\) \(1.292897978\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.79iT - 11T^{2} \)
13 \( 1 - 2.19iT - 13T^{2} \)
17 \( 1 - 0.936T + 17T^{2} \)
19 \( 1 + 0.422iT - 19T^{2} \)
23 \( 1 + 4.08iT - 23T^{2} \)
29 \( 1 - 8.43iT - 29T^{2} \)
31 \( 1 + 10.6iT - 31T^{2} \)
37 \( 1 - 8.37T + 37T^{2} \)
41 \( 1 - 6.29T + 41T^{2} \)
43 \( 1 + 9.56T + 43T^{2} \)
47 \( 1 + 3.04T + 47T^{2} \)
53 \( 1 - 6.64iT - 53T^{2} \)
59 \( 1 + 12.7T + 59T^{2} \)
61 \( 1 + 1.94iT - 61T^{2} \)
67 \( 1 - 7.16T + 67T^{2} \)
71 \( 1 - 4.91iT - 71T^{2} \)
73 \( 1 + 4.61iT - 73T^{2} \)
79 \( 1 - 5.56T + 79T^{2} \)
83 \( 1 + 15.1T + 83T^{2} \)
89 \( 1 - 4.30T + 89T^{2} \)
97 \( 1 - 4.55iT - 97T^{2} \)
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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

−7.71272454756011466736762099063, −6.87350813846478088470694313165, −6.27776470693028792675774138911, −5.58328790012585768646510514698, −4.66335332601386152447024342905, −4.14436604180653175723968170324, −3.26582481330834730390987495614, −2.53651483560136201992203538600, −1.45121254565525005911078549570, −0.35712560369384037939295901877, 0.917523505030216052924157012771, 1.94503844544670169870148071365, 2.95499761451088895971433587167, 3.59356887469179475580816192930, 4.46911265711764520370194645423, 5.06858181621698766217530337554, 5.87738280258739940786476918422, 6.56643469812268930115013870169, 7.34983590475815503020884304127, 7.88835990455840714161892415663

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