Properties

Label 2-3920-1.1-c1-0-48
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 − 11-s − 3·13-s + 3·15-s + 3·17-s + 6·19-s + 4·23-s + 25-s + 9·27-s − 29-s + 6·31-s − 3·33-s − 9·39-s − 6·41-s + 6·43-s + 6·45-s − 9·47-s + 9·51-s − 10·53-s − 55-s + 18·57-s − 6·59-s − 3·65-s + 14·67-s + 12·69-s + ⋯
L(s)  = 1  + 1.73·3-s + 0.447·5-s + 2·9-s − 0.301·11-s − 0.832·13-s + 0.774·15-s + 0.727·17-s + 1.37·19-s + 0.834·23-s + 1/5·25-s + 1.73·27-s − 0.185·29-s + 1.07·31-s − 0.522·33-s − 1.44·39-s − 0.937·41-s + 0.914·43-s + 0.894·45-s − 1.31·47-s + 1.26·51-s − 1.37·53-s − 0.134·55-s + 2.38·57-s − 0.781·59-s − 0.372·65-s + 1.71·67-s + 1.44·69-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

\(L(1)\) \(\approx\) \(4.217053297\)
\(L(\frac12)\) \(\approx\) \(4.217053297\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$Isogeny Class over $\mathbf{F}_p$
bad2 \( 1 \)
5 \( 1 - T \)
7 \( 1 \)
good3 \( 1 - p T + p T^{2} \) 1.3.ad
11 \( 1 + T + p T^{2} \) 1.11.b
13 \( 1 + 3 T + p T^{2} \) 1.13.d
17 \( 1 - 3 T + p T^{2} \) 1.17.ad
19 \( 1 - 6 T + p T^{2} \) 1.19.ag
23 \( 1 - 4 T + p T^{2} \) 1.23.ae
29 \( 1 + T + p T^{2} \) 1.29.b
31 \( 1 - 6 T + p T^{2} \) 1.31.ag
37 \( 1 + p T^{2} \) 1.37.a
41 \( 1 + 6 T + p T^{2} \) 1.41.g
43 \( 1 - 6 T + p T^{2} \) 1.43.ag
47 \( 1 + 9 T + p T^{2} \) 1.47.j
53 \( 1 + 10 T + p T^{2} \) 1.53.k
59 \( 1 + 6 T + p T^{2} \) 1.59.g
61 \( 1 + p T^{2} \) 1.61.a
67 \( 1 - 14 T + p T^{2} \) 1.67.ao
71 \( 1 - 8 T + p T^{2} \) 1.71.ai
73 \( 1 + 6 T + p T^{2} \) 1.73.g
79 \( 1 - T + p T^{2} \) 1.79.ab
83 \( 1 - 12 T + p T^{2} \) 1.83.am
89 \( 1 + 12 T + p T^{2} \) 1.89.m
97 \( 1 - 15 T + p T^{2} \) 1.97.ap
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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

−8.413182972397047221081872457399, −7.80457391816395721714669401072, −7.30703478828022800288631659705, −6.46027048767020078983890297601, −5.27291442121198189570792311479, −4.68059577608072660097150741909, −3.46612148832537381816016895570, −3.00378692647977841566927386749, −2.19920226028059021829079345585, −1.18708333743445212285166420152, 1.18708333743445212285166420152, 2.19920226028059021829079345585, 3.00378692647977841566927386749, 3.46612148832537381816016895570, 4.68059577608072660097150741909, 5.27291442121198189570792311479, 6.46027048767020078983890297601, 7.30703478828022800288631659705, 7.80457391816395721714669401072, 8.413182972397047221081872457399

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