Properties

Label 2-2576-1.1-c1-0-1
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  − 1.23·3-s − 3.23·5-s + 7-s − 1.47·9-s − 6.47·13-s + 4.00·15-s − 2.76·17-s − 4.47·19-s − 1.23·21-s + 23-s + 5.47·25-s + 5.52·27-s − 2·29-s − 3.23·31-s − 3.23·35-s + 6·37-s + 8.00·39-s − 10·41-s − 2.47·43-s + 4.76·45-s + 11.2·47-s + 49-s + 3.41·51-s − 6·53-s + 5.52·57-s − 6.76·59-s − 1.70·61-s + ⋯
L(s)  = 1  − 0.713·3-s − 1.44·5-s + 0.377·7-s − 0.490·9-s − 1.79·13-s + 1.03·15-s − 0.670·17-s − 1.02·19-s − 0.269·21-s + 0.208·23-s + 1.09·25-s + 1.06·27-s − 0.371·29-s − 0.581·31-s − 0.546·35-s + 0.986·37-s + 1.28·39-s − 1.56·41-s − 0.376·43-s + 0.710·45-s + 1.63·47-s + 0.142·49-s + 0.478·51-s − 0.824·53-s + 0.732·57-s − 0.880·59-s − 0.218·61-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

\(L(1)\) \(\approx\) \(0.3393495781\)
\(L(\frac12)\) \(\approx\) \(0.3393495781\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.23T + 3T^{2} \)
5 \( 1 + 3.23T + 5T^{2} \)
11 \( 1 + 11T^{2} \)
13 \( 1 + 6.47T + 13T^{2} \)
17 \( 1 + 2.76T + 17T^{2} \)
19 \( 1 + 4.47T + 19T^{2} \)
29 \( 1 + 2T + 29T^{2} \)
31 \( 1 + 3.23T + 31T^{2} \)
37 \( 1 - 6T + 37T^{2} \)
41 \( 1 + 10T + 41T^{2} \)
43 \( 1 + 2.47T + 43T^{2} \)
47 \( 1 - 11.2T + 47T^{2} \)
53 \( 1 + 6T + 53T^{2} \)
59 \( 1 + 6.76T + 59T^{2} \)
61 \( 1 + 1.70T + 61T^{2} \)
67 \( 1 + 4T + 67T^{2} \)
71 \( 1 + 6.47T + 71T^{2} \)
73 \( 1 - 13.4T + 73T^{2} \)
79 \( 1 - 8.94T + 79T^{2} \)
83 \( 1 + 10.9T + 83T^{2} \)
89 \( 1 - 6.18T + 89T^{2} \)
97 \( 1 + 14.1T + 97T^{2} \)
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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

−8.728564544479102779404254930209, −8.067544426112568058260077228405, −7.34997251045170054463138988963, −6.73636062459097562181940985249, −5.70441769753123969515496104333, −4.77469103201578406647576399968, −4.37843766353409222720728412113, −3.22053234298976490583759322116, −2.17080862749283919522329467744, −0.35717431123399327097161442177, 0.35717431123399327097161442177, 2.17080862749283919522329467744, 3.22053234298976490583759322116, 4.37843766353409222720728412113, 4.77469103201578406647576399968, 5.70441769753123969515496104333, 6.73636062459097562181940985249, 7.34997251045170054463138988963, 8.067544426112568058260077228405, 8.728564544479102779404254930209

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