Properties

Label 2-2576-1.1-c1-0-23
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  − 2.21·3-s + 3.59·5-s + 7-s + 1.90·9-s + 3.52·11-s − 0.622·13-s − 7.95·15-s + 6.83·17-s − 2.21·21-s − 23-s + 7.90·25-s + 2.42·27-s + 1.09·29-s − 5.45·31-s − 7.80·33-s + 3.59·35-s + 7.37·37-s + 1.37·39-s + 9.61·41-s − 6.23·43-s + 6.83·45-s − 2.83·47-s + 49-s − 15.1·51-s − 13.6·53-s + 12.6·55-s + 13.2·59-s + ⋯
L(s)  = 1  − 1.27·3-s + 1.60·5-s + 0.377·7-s + 0.634·9-s + 1.06·11-s − 0.172·13-s − 2.05·15-s + 1.65·17-s − 0.483·21-s − 0.208·23-s + 1.58·25-s + 0.467·27-s + 0.203·29-s − 0.980·31-s − 1.35·33-s + 0.607·35-s + 1.21·37-s + 0.220·39-s + 1.50·41-s − 0.950·43-s + 1.01·45-s − 0.413·47-s + 0.142·49-s − 2.11·51-s − 1.86·53-s + 1.70·55-s + 1.72·59-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

\(L(1)\) \(\approx\) \(1.868379797\)
\(L(\frac12)\) \(\approx\) \(1.868379797\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.21T + 3T^{2} \)
5 \( 1 - 3.59T + 5T^{2} \)
11 \( 1 - 3.52T + 11T^{2} \)
13 \( 1 + 0.622T + 13T^{2} \)
17 \( 1 - 6.83T + 17T^{2} \)
19 \( 1 + 19T^{2} \)
29 \( 1 - 1.09T + 29T^{2} \)
31 \( 1 + 5.45T + 31T^{2} \)
37 \( 1 - 7.37T + 37T^{2} \)
41 \( 1 - 9.61T + 41T^{2} \)
43 \( 1 + 6.23T + 43T^{2} \)
47 \( 1 + 2.83T + 47T^{2} \)
53 \( 1 + 13.6T + 53T^{2} \)
59 \( 1 - 13.2T + 59T^{2} \)
61 \( 1 + 14.2T + 61T^{2} \)
67 \( 1 - 4.76T + 67T^{2} \)
71 \( 1 - 8.85T + 71T^{2} \)
73 \( 1 + 11.2T + 73T^{2} \)
79 \( 1 + 6.28T + 79T^{2} \)
83 \( 1 - 2.62T + 83T^{2} \)
89 \( 1 + 5.07T + 89T^{2} \)
97 \( 1 + 17.3T + 97T^{2} \)
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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

−9.184233795949049350250281939154, −8.097287382502246806578869275161, −7.10147544859629610857348003562, −6.26488549489406664689472799243, −5.83011562414430700221985310297, −5.26196822787889671411518084890, −4.39506367102097691367442854388, −3.08582748284745616543515079856, −1.79240347289413001052110741592, −1.00583896859833268058079723988, 1.00583896859833268058079723988, 1.79240347289413001052110741592, 3.08582748284745616543515079856, 4.39506367102097691367442854388, 5.26196822787889671411518084890, 5.83011562414430700221985310297, 6.26488549489406664689472799243, 7.10147544859629610857348003562, 8.097287382502246806578869275161, 9.184233795949049350250281939154

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