Properties

Label 2-3920-1.1-c1-0-18
Degree $2$
Conductor $3920$
Sign $1$
Analytic cond. $31.3013$
Root an. cond. $5.59476$
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  − 0.414·3-s + 5-s − 2.82·9-s + 11-s − 2.41·13-s − 0.414·15-s + 0.414·17-s + 2·19-s + 2.24·23-s + 25-s + 2.41·27-s + 29-s + 1.75·31-s − 0.414·33-s − 7.89·37-s + 0.999·39-s − 7.41·41-s + 0.343·43-s − 2.82·45-s + 10.4·47-s − 0.171·51-s + 9.41·53-s + 55-s − 0.828·57-s + 10.2·59-s + 1.17·61-s − 2.41·65-s + ⋯
L(s)  = 1  − 0.239·3-s + 0.447·5-s − 0.942·9-s + 0.301·11-s − 0.669·13-s − 0.106·15-s + 0.100·17-s + 0.458·19-s + 0.467·23-s + 0.200·25-s + 0.464·27-s + 0.185·29-s + 0.315·31-s − 0.0721·33-s − 1.29·37-s + 0.160·39-s − 1.15·41-s + 0.0523·43-s − 0.421·45-s + 1.51·47-s − 0.0240·51-s + 1.29·53-s + 0.134·55-s − 0.109·57-s + 1.33·59-s + 0.150·61-s − 0.299·65-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: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 3920,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.615340701\)
\(L(\frac12)\) \(\approx\) \(1.615340701\)
\(L(\frac{3}{2})\) 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 \( 1 + 0.414T + 3T^{2} \)
11 \( 1 - T + 11T^{2} \)
13 \( 1 + 2.41T + 13T^{2} \)
17 \( 1 - 0.414T + 17T^{2} \)
19 \( 1 - 2T + 19T^{2} \)
23 \( 1 - 2.24T + 23T^{2} \)
29 \( 1 - T + 29T^{2} \)
31 \( 1 - 1.75T + 31T^{2} \)
37 \( 1 + 7.89T + 37T^{2} \)
41 \( 1 + 7.41T + 41T^{2} \)
43 \( 1 - 0.343T + 43T^{2} \)
47 \( 1 - 10.4T + 47T^{2} \)
53 \( 1 - 9.41T + 53T^{2} \)
59 \( 1 - 10.2T + 59T^{2} \)
61 \( 1 - 1.17T + 61T^{2} \)
67 \( 1 + 1.41T + 67T^{2} \)
71 \( 1 + 14.4T + 71T^{2} \)
73 \( 1 - 5.17T + 73T^{2} \)
79 \( 1 - 14.6T + 79T^{2} \)
83 \( 1 - 11.3T + 83T^{2} \)
89 \( 1 - 1.65T + 89T^{2} \)
97 \( 1 - 0.0710T + 97T^{2} \)
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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

−8.700256457131114110362495517554, −7.67093056227453065762255424778, −6.95058862883532081958357124370, −6.23470670692480588538784654503, −5.39536539034783086301336818665, −4.97038103860650556036123884087, −3.78756830819364628679704000857, −2.90923026907455797576820958185, −2.04870677627656162068820210702, −0.73080096487966109812042463586, 0.73080096487966109812042463586, 2.04870677627656162068820210702, 2.90923026907455797576820958185, 3.78756830819364628679704000857, 4.97038103860650556036123884087, 5.39536539034783086301336818665, 6.23470670692480588538784654503, 6.95058862883532081958357124370, 7.67093056227453065762255424778, 8.700256457131114110362495517554

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