Properties

Label 2-976-1.1-c1-0-18
Degree $2$
Conductor $976$
Sign $1$
Analytic cond. $7.79339$
Root an. cond. $2.79166$
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  + 2·3-s + 5-s + 5·7-s + 9-s + 3·11-s − 3·13-s + 2·15-s + 10·21-s − 5·23-s − 4·25-s − 4·27-s + 6·29-s + 6·33-s + 5·35-s − 12·37-s − 6·39-s − 3·41-s + 8·43-s + 45-s − 12·47-s + 18·49-s − 2·53-s + 3·55-s + 9·59-s − 61-s + 5·63-s − 3·65-s + ⋯
L(s)  = 1  + 1.15·3-s + 0.447·5-s + 1.88·7-s + 1/3·9-s + 0.904·11-s − 0.832·13-s + 0.516·15-s + 2.18·21-s − 1.04·23-s − 4/5·25-s − 0.769·27-s + 1.11·29-s + 1.04·33-s + 0.845·35-s − 1.97·37-s − 0.960·39-s − 0.468·41-s + 1.21·43-s + 0.149·45-s − 1.75·47-s + 18/7·49-s − 0.274·53-s + 0.404·55-s + 1.17·59-s − 0.128·61-s + 0.629·63-s − 0.372·65-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 976 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 976 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(976\)    =    \(2^{4} \cdot 61\)
Sign: $1$
Analytic conductor: \(7.79339\)
Root analytic conductor: \(2.79166\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 976,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.943884537\)
\(L(\frac12)\) \(\approx\) \(2.943884537\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
61 \( 1 + T \)
good3 \( 1 - 2 T + p T^{2} \)
5 \( 1 - T + p T^{2} \)
7 \( 1 - 5 T + p T^{2} \)
11 \( 1 - 3 T + p T^{2} \)
13 \( 1 + 3 T + p T^{2} \)
17 \( 1 + p T^{2} \)
19 \( 1 + p T^{2} \)
23 \( 1 + 5 T + p T^{2} \)
29 \( 1 - 6 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 + 12 T + p T^{2} \)
41 \( 1 + 3 T + p T^{2} \)
43 \( 1 - 8 T + p T^{2} \)
47 \( 1 + 12 T + p T^{2} \)
53 \( 1 + 2 T + p T^{2} \)
59 \( 1 - 9 T + p T^{2} \)
67 \( 1 + 7 T + p T^{2} \)
71 \( 1 - 16 T + p T^{2} \)
73 \( 1 + 3 T + p T^{2} \)
79 \( 1 + T + p T^{2} \)
83 \( 1 - 12 T + p T^{2} \)
89 \( 1 - 12 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−9.836514025533174717045754125033, −9.056237507126111645473865568644, −8.259631811168054589484751786913, −7.84997221060806366414385499222, −6.78980578951837536945571914964, −5.53278600499739307280168084058, −4.64912865131610184801613353745, −3.68731906059088689155175333695, −2.30357820078926845828673973788, −1.63976643607280630849823286411, 1.63976643607280630849823286411, 2.30357820078926845828673973788, 3.68731906059088689155175333695, 4.64912865131610184801613353745, 5.53278600499739307280168084058, 6.78980578951837536945571914964, 7.84997221060806366414385499222, 8.259631811168054589484751786913, 9.056237507126111645473865568644, 9.836514025533174717045754125033

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