Properties

Label 2-2576-1.1-c1-0-27
Degree $2$
Conductor $2576$
Sign $1$
Analytic cond. $20.5694$
Root an. cond. $4.53535$
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  + 3-s + 1.23·5-s + 7-s − 2·9-s + 4.47·11-s − 4.23·13-s + 1.23·15-s + 2.76·19-s + 21-s + 23-s − 3.47·25-s − 5·27-s + 7.47·29-s + 9·31-s + 4.47·33-s + 1.23·35-s + 7.70·37-s − 4.23·39-s + 2.23·41-s + 6.47·43-s − 2.47·45-s − 5.47·47-s + 49-s + 6.76·53-s + 5.52·55-s + 2.76·57-s + 10.4·59-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.552·5-s + 0.377·7-s − 0.666·9-s + 1.34·11-s − 1.17·13-s + 0.319·15-s + 0.634·19-s + 0.218·21-s + 0.208·23-s − 0.694·25-s − 0.962·27-s + 1.38·29-s + 1.61·31-s + 0.778·33-s + 0.208·35-s + 1.26·37-s − 0.678·39-s + 0.349·41-s + 0.986·43-s − 0.368·45-s − 0.798·47-s + 0.142·49-s + 0.929·53-s + 0.745·55-s + 0.366·57-s + 1.36·59-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2576 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2576 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2576\)    =    \(2^{4} \cdot 7 \cdot 23\)
Sign: $1$
Analytic conductor: \(20.5694\)
Root analytic conductor: \(4.53535\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2576,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.621777556\)
\(L(\frac12)\) \(\approx\) \(2.621777556\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 - T \)
23 \( 1 - T \)
good3 \( 1 - T + 3T^{2} \)
5 \( 1 - 1.23T + 5T^{2} \)
11 \( 1 - 4.47T + 11T^{2} \)
13 \( 1 + 4.23T + 13T^{2} \)
17 \( 1 + 17T^{2} \)
19 \( 1 - 2.76T + 19T^{2} \)
29 \( 1 - 7.47T + 29T^{2} \)
31 \( 1 - 9T + 31T^{2} \)
37 \( 1 - 7.70T + 37T^{2} \)
41 \( 1 - 2.23T + 41T^{2} \)
43 \( 1 - 6.47T + 43T^{2} \)
47 \( 1 + 5.47T + 47T^{2} \)
53 \( 1 - 6.76T + 53T^{2} \)
59 \( 1 - 10.4T + 59T^{2} \)
61 \( 1 + 13.4T + 61T^{2} \)
67 \( 1 + 10.1T + 67T^{2} \)
71 \( 1 - 5.76T + 71T^{2} \)
73 \( 1 - 6.70T + 73T^{2} \)
79 \( 1 - 2.76T + 79T^{2} \)
83 \( 1 - 2.47T + 83T^{2} \)
89 \( 1 + 8.94T + 89T^{2} \)
97 \( 1 + 9.70T + 97T^{2} \)
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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

−8.944380108876022801650734435709, −8.173820523511472007915594724913, −7.48985068612798017467480657882, −6.52903438750615800839683333880, −5.87922716924499820150219554383, −4.89403119134647697712969323441, −4.11246691187800336651435789394, −2.95600226613732462711913907315, −2.28626078453958104937122590742, −1.04371521834324393162423492411, 1.04371521834324393162423492411, 2.28626078453958104937122590742, 2.95600226613732462711913907315, 4.11246691187800336651435789394, 4.89403119134647697712969323441, 5.87922716924499820150219554383, 6.52903438750615800839683333880, 7.48985068612798017467480657882, 8.173820523511472007915594724913, 8.944380108876022801650734435709

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