Properties

Label 2-2576-1.1-c1-0-38
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  + 1.70·3-s + 3.97·5-s − 7-s − 0.0942·9-s + 5.17·11-s + 0.739·13-s + 6.77·15-s − 7.56·17-s + 8.53·19-s − 1.70·21-s + 23-s + 10.7·25-s − 5.27·27-s − 8.10·29-s + 4.71·31-s + 8.81·33-s − 3.97·35-s + 6.41·37-s + 1.26·39-s + 2.19·41-s − 7.47·43-s − 0.374·45-s + 0.295·47-s + 49-s − 12.9·51-s − 8.81·53-s + 20.5·55-s + ⋯
L(s)  = 1  + 0.984·3-s + 1.77·5-s − 0.377·7-s − 0.0314·9-s + 1.55·11-s + 0.205·13-s + 1.74·15-s − 1.83·17-s + 1.95·19-s − 0.371·21-s + 0.208·23-s + 2.15·25-s − 1.01·27-s − 1.50·29-s + 0.846·31-s + 1.53·33-s − 0.671·35-s + 1.05·37-s + 0.201·39-s + 0.343·41-s − 1.13·43-s − 0.0558·45-s + 0.0430·47-s + 0.142·49-s − 1.80·51-s − 1.21·53-s + 2.77·55-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

\(L(1)\) \(\approx\) \(3.679798352\)
\(L(\frac12)\) \(\approx\) \(3.679798352\)
\(L(\frac{3}{2})\) 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 \( 1 - 1.70T + 3T^{2} \)
5 \( 1 - 3.97T + 5T^{2} \)
11 \( 1 - 5.17T + 11T^{2} \)
13 \( 1 - 0.739T + 13T^{2} \)
17 \( 1 + 7.56T + 17T^{2} \)
19 \( 1 - 8.53T + 19T^{2} \)
29 \( 1 + 8.10T + 29T^{2} \)
31 \( 1 - 4.71T + 31T^{2} \)
37 \( 1 - 6.41T + 37T^{2} \)
41 \( 1 - 2.19T + 41T^{2} \)
43 \( 1 + 7.47T + 43T^{2} \)
47 \( 1 - 0.295T + 47T^{2} \)
53 \( 1 + 8.81T + 53T^{2} \)
59 \( 1 - 2.96T + 59T^{2} \)
61 \( 1 + 0.444T + 61T^{2} \)
67 \( 1 - 12.3T + 67T^{2} \)
71 \( 1 - 5.14T + 71T^{2} \)
73 \( 1 + 3.08T + 73T^{2} \)
79 \( 1 + 5.17T + 79T^{2} \)
83 \( 1 + 9.48T + 83T^{2} \)
89 \( 1 - 8.79T + 89T^{2} \)
97 \( 1 + 8.50T + 97T^{2} \)
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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

−9.115287068899795132482491018133, −8.431120576638835581396360969591, −7.25181948885480993491910012249, −6.50710276286007577365696181308, −5.95954152345437252127689355168, −5.03990775879821381230297671315, −3.89138662379988970205573145806, −2.99174942029671575029493575322, −2.17556990447590671114006234386, −1.31529011336291972089415142275, 1.31529011336291972089415142275, 2.17556990447590671114006234386, 2.99174942029671575029493575322, 3.89138662379988970205573145806, 5.03990775879821381230297671315, 5.95954152345437252127689355168, 6.50710276286007577365696181308, 7.25181948885480993491910012249, 8.431120576638835581396360969591, 9.115287068899795132482491018133

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