Properties

Label 2-2e9-1.1-c1-0-0
Degree $2$
Conductor $512$
Sign $1$
Analytic cond. $4.08834$
Root an. cond. $2.02196$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.44·3-s − 3.46·5-s − 2.82·7-s + 2.99·9-s − 2.44·11-s + 3.46·13-s + 8.48·15-s + 4·17-s + 2.44·19-s + 6.92·21-s − 2.82·23-s + 6.99·25-s − 3.46·29-s − 5.65·31-s + 5.99·33-s + 9.79·35-s + 3.46·37-s − 8.48·39-s − 2·41-s + 12.2·43-s − 10.3·45-s + 11.3·47-s + 1.00·49-s − 9.79·51-s − 10.3·53-s + 8.48·55-s − 5.99·57-s + ⋯
L(s)  = 1  − 1.41·3-s − 1.54·5-s − 1.06·7-s + 0.999·9-s − 0.738·11-s + 0.960·13-s + 2.19·15-s + 0.970·17-s + 0.561·19-s + 1.51·21-s − 0.589·23-s + 1.39·25-s − 0.643·29-s − 1.01·31-s + 1.04·33-s + 1.65·35-s + 0.569·37-s − 1.35·39-s − 0.312·41-s + 1.86·43-s − 1.54·45-s + 1.65·47-s + 0.142·49-s − 1.37·51-s − 1.42·53-s + 1.14·55-s − 0.794·57-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 512 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 512 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(512\)    =    \(2^{9}\)
Sign: $1$
Analytic conductor: \(4.08834\)
Root analytic conductor: \(2.02196\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 512,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.4170613586\)
\(L(\frac12)\) \(\approx\) \(0.4170613586\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
good3 \( 1 + 2.44T + 3T^{2} \)
5 \( 1 + 3.46T + 5T^{2} \)
7 \( 1 + 2.82T + 7T^{2} \)
11 \( 1 + 2.44T + 11T^{2} \)
13 \( 1 - 3.46T + 13T^{2} \)
17 \( 1 - 4T + 17T^{2} \)
19 \( 1 - 2.44T + 19T^{2} \)
23 \( 1 + 2.82T + 23T^{2} \)
29 \( 1 + 3.46T + 29T^{2} \)
31 \( 1 + 5.65T + 31T^{2} \)
37 \( 1 - 3.46T + 37T^{2} \)
41 \( 1 + 2T + 41T^{2} \)
43 \( 1 - 12.2T + 43T^{2} \)
47 \( 1 - 11.3T + 47T^{2} \)
53 \( 1 + 10.3T + 53T^{2} \)
59 \( 1 - 2.44T + 59T^{2} \)
61 \( 1 - 3.46T + 61T^{2} \)
67 \( 1 + 7.34T + 67T^{2} \)
71 \( 1 - 2.82T + 71T^{2} \)
73 \( 1 - 8T + 73T^{2} \)
79 \( 1 + 5.65T + 79T^{2} \)
83 \( 1 - 7.34T + 83T^{2} \)
89 \( 1 + 8T + 89T^{2} \)
97 \( 1 - 12T + 97T^{2} \)
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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

−11.02786644603350626731985498827, −10.35506766564006734300632735802, −9.213602825676252923991223225768, −7.925601852945032905817741070741, −7.26817370569359894767079006764, −6.14599753329153674937562590492, −5.43714576545236826468004254293, −4.14116519744998001430897462523, −3.26483524293334446935560547667, −0.60788101583098772276831992838, 0.60788101583098772276831992838, 3.26483524293334446935560547667, 4.14116519744998001430897462523, 5.43714576545236826468004254293, 6.14599753329153674937562590492, 7.26817370569359894767079006764, 7.925601852945032905817741070741, 9.213602825676252923991223225768, 10.35506766564006734300632735802, 11.02786644603350626731985498827

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