Properties

Label 2-2e9-1.1-c1-0-2
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  − 1.41·3-s + 2·5-s − 2.82·7-s − 0.999·9-s + 4.24·11-s + 6·13-s − 2.82·15-s − 4.24·19-s + 4.00·21-s + 8.48·23-s − 25-s + 5.65·27-s + 2·29-s + 5.65·31-s − 6·33-s − 5.65·35-s + 6·37-s − 8.48·39-s + 6·41-s − 4.24·43-s − 1.99·45-s + 1.00·49-s − 2·53-s + 8.48·55-s + 6·57-s + 1.41·59-s + 6·61-s + ⋯
L(s)  = 1  − 0.816·3-s + 0.894·5-s − 1.06·7-s − 0.333·9-s + 1.27·11-s + 1.66·13-s − 0.730·15-s − 0.973·19-s + 0.872·21-s + 1.76·23-s − 0.200·25-s + 1.08·27-s + 0.371·29-s + 1.01·31-s − 1.04·33-s − 0.956·35-s + 0.986·37-s − 1.35·39-s + 0.937·41-s − 0.646·43-s − 0.298·45-s + 0.142·49-s − 0.274·53-s + 1.14·55-s + 0.794·57-s + 0.184·59-s + 0.768·61-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

\(L(1)\) \(\approx\) \(1.226620115\)
\(L(\frac12)\) \(\approx\) \(1.226620115\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.41T + 3T^{2} \)
5 \( 1 - 2T + 5T^{2} \)
7 \( 1 + 2.82T + 7T^{2} \)
11 \( 1 - 4.24T + 11T^{2} \)
13 \( 1 - 6T + 13T^{2} \)
17 \( 1 + 17T^{2} \)
19 \( 1 + 4.24T + 19T^{2} \)
23 \( 1 - 8.48T + 23T^{2} \)
29 \( 1 - 2T + 29T^{2} \)
31 \( 1 - 5.65T + 31T^{2} \)
37 \( 1 - 6T + 37T^{2} \)
41 \( 1 - 6T + 41T^{2} \)
43 \( 1 + 4.24T + 43T^{2} \)
47 \( 1 + 47T^{2} \)
53 \( 1 + 2T + 53T^{2} \)
59 \( 1 - 1.41T + 59T^{2} \)
61 \( 1 - 6T + 61T^{2} \)
67 \( 1 - 12.7T + 67T^{2} \)
71 \( 1 + 8.48T + 71T^{2} \)
73 \( 1 + 12T + 73T^{2} \)
79 \( 1 + 5.65T + 79T^{2} \)
83 \( 1 - 4.24T + 83T^{2} \)
89 \( 1 + 12T + 89T^{2} \)
97 \( 1 + 8T + 97T^{2} \)
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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

−11.00418174970039750289559385072, −10.04203083922318676013244980209, −9.171106386262901820522468309528, −8.504509402954959248433237085570, −6.61387298753804977066819083208, −6.39786281520133230964526164360, −5.59569989859156343397361984183, −4.17878088743430670818200841248, −2.93642251168937868637046890158, −1.12736751813594213332646162785, 1.12736751813594213332646162785, 2.93642251168937868637046890158, 4.17878088743430670818200841248, 5.59569989859156343397361984183, 6.39786281520133230964526164360, 6.61387298753804977066819083208, 8.504509402954959248433237085570, 9.171106386262901820522468309528, 10.04203083922318676013244980209, 11.00418174970039750289559385072

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