Properties

Label 2-2576-1.1-c1-0-42
Degree $2$
Conductor $2576$
Sign $1$
Analytic cond. $20.5694$
Root an. cond. $4.53535$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3·3-s + 7-s + 6·9-s + 6·11-s + 13-s + 3·21-s − 23-s − 5·25-s + 9·27-s − 3·29-s + 3·31-s + 18·33-s − 8·37-s + 3·39-s + 9·41-s − 4·43-s − 13·47-s + 49-s + 4·53-s − 4·59-s + 2·61-s + 6·63-s + 4·67-s − 3·69-s + 5·71-s + 3·73-s − 15·75-s + ⋯
L(s)  = 1  + 1.73·3-s + 0.377·7-s + 2·9-s + 1.80·11-s + 0.277·13-s + 0.654·21-s − 0.208·23-s − 25-s + 1.73·27-s − 0.557·29-s + 0.538·31-s + 3.13·33-s − 1.31·37-s + 0.480·39-s + 1.40·41-s − 0.609·43-s − 1.89·47-s + 1/7·49-s + 0.549·53-s − 0.520·59-s + 0.256·61-s + 0.755·63-s + 0.488·67-s − 0.361·69-s + 0.593·71-s + 0.351·73-s − 1.73·75-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: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2576,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(4.050407702\)
\(L(\frac12)\) \(\approx\) \(4.050407702\)
\(L(\frac{3}{2})\) 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 \( 1 - p T + p T^{2} \)
5 \( 1 + p T^{2} \)
11 \( 1 - 6 T + p T^{2} \)
13 \( 1 - T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 + p T^{2} \)
29 \( 1 + 3 T + p T^{2} \)
31 \( 1 - 3 T + p T^{2} \)
37 \( 1 + 8 T + p T^{2} \)
41 \( 1 - 9 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 + 13 T + p T^{2} \)
53 \( 1 - 4 T + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 - 2 T + p T^{2} \)
67 \( 1 - 4 T + p T^{2} \)
71 \( 1 - 5 T + p T^{2} \)
73 \( 1 - 3 T + p T^{2} \)
79 \( 1 + 12 T + p T^{2} \)
83 \( 1 + 16 T + p T^{2} \)
89 \( 1 - 4 T + p T^{2} \)
97 \( 1 + 6 T + p T^{2} \)
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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

−8.691305874019703324611083771407, −8.397697726273319604019150386971, −7.48914087784297151131164080191, −6.83363163227438152663054907313, −5.92628684258080595444148818043, −4.57871756056957008057739349846, −3.86193491691139779254847461599, −3.29244781199245755043884169831, −2.08380664141095374617809237015, −1.39241811796677333435466144135, 1.39241811796677333435466144135, 2.08380664141095374617809237015, 3.29244781199245755043884169831, 3.86193491691139779254847461599, 4.57871756056957008057739349846, 5.92628684258080595444148818043, 6.83363163227438152663054907313, 7.48914087784297151131164080191, 8.397697726273319604019150386971, 8.691305874019703324611083771407

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