Properties

Label 2-3920-1.1-c1-0-56
Degree $2$
Conductor $3920$
Sign $1$
Analytic cond. $31.3013$
Root an. cond. $5.59476$
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 + 5-s + 6·9-s + 2·11-s + 3·15-s + 4·17-s − 6·19-s − 3·23-s + 25-s + 9·27-s + 9·29-s − 4·31-s + 6·33-s − 4·37-s + 7·41-s + 5·43-s + 6·45-s + 8·47-s + 12·51-s − 2·53-s + 2·55-s − 18·57-s + 10·59-s − 61-s + 9·67-s − 9·69-s − 2·71-s + ⋯
L(s)  = 1  + 1.73·3-s + 0.447·5-s + 2·9-s + 0.603·11-s + 0.774·15-s + 0.970·17-s − 1.37·19-s − 0.625·23-s + 1/5·25-s + 1.73·27-s + 1.67·29-s − 0.718·31-s + 1.04·33-s − 0.657·37-s + 1.09·41-s + 0.762·43-s + 0.894·45-s + 1.16·47-s + 1.68·51-s − 0.274·53-s + 0.269·55-s − 2.38·57-s + 1.30·59-s − 0.128·61-s + 1.09·67-s − 1.08·69-s − 0.237·71-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 3920 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 3920 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(3920\)    =    \(2^{4} \cdot 5 \cdot 7^{2}\)
Sign: $1$
Analytic conductor: \(31.3013\)
Root analytic conductor: \(5.59476\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 3920,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(4.344137996\)
\(L(\frac12)\) \(\approx\) \(4.344137996\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - T \)
7 \( 1 \)
good3 \( 1 - p T + p T^{2} \)
11 \( 1 - 2 T + p T^{2} \)
13 \( 1 + p T^{2} \)
17 \( 1 - 4 T + p T^{2} \)
19 \( 1 + 6 T + p T^{2} \)
23 \( 1 + 3 T + p T^{2} \)
29 \( 1 - 9 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 + 4 T + p T^{2} \)
41 \( 1 - 7 T + p T^{2} \)
43 \( 1 - 5 T + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 + 2 T + p T^{2} \)
59 \( 1 - 10 T + p T^{2} \)
61 \( 1 + T + p T^{2} \)
67 \( 1 - 9 T + p T^{2} \)
71 \( 1 + 2 T + p T^{2} \)
73 \( 1 - 4 T + p T^{2} \)
79 \( 1 + 10 T + p T^{2} \)
83 \( 1 + 7 T + p T^{2} \)
89 \( 1 + T + p T^{2} \)
97 \( 1 + 14 T + p T^{2} \)
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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

−8.539689340899603437218648934153, −7.937699962953917311704821184553, −7.14491549470949409213015301847, −6.43300899613947666621042164956, −5.50674070832460457445830359535, −4.29768021898691769762074626596, −3.83639934130619610135409165779, −2.82544846676668415349152148721, −2.19810415966871176781863442736, −1.22003126041481978230606908800, 1.22003126041481978230606908800, 2.19810415966871176781863442736, 2.82544846676668415349152148721, 3.83639934130619610135409165779, 4.29768021898691769762074626596, 5.50674070832460457445830359535, 6.43300899613947666621042164956, 7.14491549470949409213015301847, 7.937699962953917311704821184553, 8.539689340899603437218648934153

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