Properties

Label 2-2576-1.1-c1-0-0
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  − 3.25·3-s − 3.04·5-s + 7-s + 7.60·9-s − 5.22·11-s + 3.38·13-s + 9.92·15-s − 2.63·17-s − 3.39·19-s − 3.25·21-s + 23-s + 4.28·25-s − 15.0·27-s − 4.00·29-s − 6.97·31-s + 17.0·33-s − 3.04·35-s − 5.11·37-s − 11.0·39-s − 5.89·41-s + 7.90·43-s − 23.1·45-s − 9.54·47-s + 49-s + 8.59·51-s − 11.8·53-s + 15.9·55-s + ⋯
L(s)  = 1  − 1.88·3-s − 1.36·5-s + 0.377·7-s + 2.53·9-s − 1.57·11-s + 0.938·13-s + 2.56·15-s − 0.640·17-s − 0.778·19-s − 0.710·21-s + 0.208·23-s + 0.857·25-s − 2.88·27-s − 0.743·29-s − 1.25·31-s + 2.96·33-s − 0.515·35-s − 0.841·37-s − 1.76·39-s − 0.920·41-s + 1.20·43-s − 3.45·45-s − 1.39·47-s + 0.142·49-s + 1.20·51-s − 1.62·53-s + 2.14·55-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

\(L(1)\) \(\approx\) \(0.2279464823\)
\(L(\frac12)\) \(\approx\) \(0.2279464823\)
\(L(\frac{3}{2})\) 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 \( 1 + 3.25T + 3T^{2} \)
5 \( 1 + 3.04T + 5T^{2} \)
11 \( 1 + 5.22T + 11T^{2} \)
13 \( 1 - 3.38T + 13T^{2} \)
17 \( 1 + 2.63T + 17T^{2} \)
19 \( 1 + 3.39T + 19T^{2} \)
29 \( 1 + 4.00T + 29T^{2} \)
31 \( 1 + 6.97T + 31T^{2} \)
37 \( 1 + 5.11T + 37T^{2} \)
41 \( 1 + 5.89T + 41T^{2} \)
43 \( 1 - 7.90T + 43T^{2} \)
47 \( 1 + 9.54T + 47T^{2} \)
53 \( 1 + 11.8T + 53T^{2} \)
59 \( 1 + 1.51T + 59T^{2} \)
61 \( 1 - 1.13T + 61T^{2} \)
67 \( 1 - 8.80T + 67T^{2} \)
71 \( 1 - 14.5T + 71T^{2} \)
73 \( 1 + 13.2T + 73T^{2} \)
79 \( 1 + 14.4T + 79T^{2} \)
83 \( 1 - 0.693T + 83T^{2} \)
89 \( 1 - 10.8T + 89T^{2} \)
97 \( 1 + 3.23T + 97T^{2} \)
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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

−8.714594692562166255931318112457, −7.920817347202691574879966164890, −7.30772028320695789568644260494, −6.55375269567281072251196905295, −5.67692579259789896066594984555, −5.00753960572750367229087348537, −4.34844352555221367267197285177, −3.49349319263935215089978313573, −1.79034893326190497447422914826, −0.32511048350075304824056387223, 0.32511048350075304824056387223, 1.79034893326190497447422914826, 3.49349319263935215089978313573, 4.34844352555221367267197285177, 5.00753960572750367229087348537, 5.67692579259789896066594984555, 6.55375269567281072251196905295, 7.30772028320695789568644260494, 7.920817347202691574879966164890, 8.714594692562166255931318112457

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