Properties

Label 2-2576-1.1-c1-0-20
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  − 0.732·3-s + 2.73·5-s − 7-s − 2.46·9-s + 3.46·11-s − 1.46·13-s − 2·15-s − 0.732·17-s + 2·19-s + 0.732·21-s − 23-s + 2.46·25-s + 4·27-s + 8·29-s − 0.196·31-s − 2.53·33-s − 2.73·35-s + 0.535·37-s + 1.07·39-s − 2·41-s − 6.73·45-s + 8.19·47-s + 49-s + 0.535·51-s + 3.46·53-s + 9.46·55-s − 1.46·57-s + ⋯
L(s)  = 1  − 0.422·3-s + 1.22·5-s − 0.377·7-s − 0.821·9-s + 1.04·11-s − 0.406·13-s − 0.516·15-s − 0.177·17-s + 0.458·19-s + 0.159·21-s − 0.208·23-s + 0.492·25-s + 0.769·27-s + 1.48·29-s − 0.0352·31-s − 0.441·33-s − 0.461·35-s + 0.0881·37-s + 0.171·39-s − 0.312·41-s − 1.00·45-s + 1.19·47-s + 0.142·49-s + 0.0750·51-s + 0.475·53-s + 1.27·55-s − 0.193·57-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

\(L(1)\) \(\approx\) \(1.834262113\)
\(L(\frac12)\) \(\approx\) \(1.834262113\)
\(L(\frac{3}{2})\) 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 \( 1 + 0.732T + 3T^{2} \)
5 \( 1 - 2.73T + 5T^{2} \)
11 \( 1 - 3.46T + 11T^{2} \)
13 \( 1 + 1.46T + 13T^{2} \)
17 \( 1 + 0.732T + 17T^{2} \)
19 \( 1 - 2T + 19T^{2} \)
29 \( 1 - 8T + 29T^{2} \)
31 \( 1 + 0.196T + 31T^{2} \)
37 \( 1 - 0.535T + 37T^{2} \)
41 \( 1 + 2T + 41T^{2} \)
43 \( 1 + 43T^{2} \)
47 \( 1 - 8.19T + 47T^{2} \)
53 \( 1 - 3.46T + 53T^{2} \)
59 \( 1 - 11.6T + 59T^{2} \)
61 \( 1 - 8.19T + 61T^{2} \)
67 \( 1 - 4.53T + 67T^{2} \)
71 \( 1 + 8.39T + 71T^{2} \)
73 \( 1 + 7.46T + 73T^{2} \)
79 \( 1 + 0.928T + 79T^{2} \)
83 \( 1 - 6.39T + 83T^{2} \)
89 \( 1 - 14.1T + 89T^{2} \)
97 \( 1 + 8.73T + 97T^{2} \)
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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

−8.975467280779057927428962009995, −8.331134593083110528843729670496, −7.07536060057912374564141171637, −6.47678576704012965980384156630, −5.81587198784447117779361922356, −5.21295420578910448486224744095, −4.15532164612506301777646392871, −3.00693721043437183463575815551, −2.14922611924740239663352525077, −0.885429537607292244517348090749, 0.885429537607292244517348090749, 2.14922611924740239663352525077, 3.00693721043437183463575815551, 4.15532164612506301777646392871, 5.21295420578910448486224744095, 5.81587198784447117779361922356, 6.47678576704012965980384156630, 7.07536060057912374564141171637, 8.331134593083110528843729670496, 8.975467280779057927428962009995

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