Properties

Label 2-7872-1.1-c1-0-138
Degree $2$
Conductor $7872$
Sign $-1$
Analytic cond. $62.8582$
Root an. cond. $7.92831$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 3-s + 5-s − 2·7-s + 9-s − 2·11-s + 3·13-s + 15-s − 3·17-s − 7·19-s − 2·21-s + 6·23-s − 4·25-s + 27-s + 7·31-s − 2·33-s − 2·35-s − 10·37-s + 3·39-s + 41-s + 12·43-s + 45-s + 12·47-s − 3·49-s − 3·51-s − 10·53-s − 2·55-s − 7·57-s + ⋯
L(s)  = 1  + 0.577·3-s + 0.447·5-s − 0.755·7-s + 1/3·9-s − 0.603·11-s + 0.832·13-s + 0.258·15-s − 0.727·17-s − 1.60·19-s − 0.436·21-s + 1.25·23-s − 4/5·25-s + 0.192·27-s + 1.25·31-s − 0.348·33-s − 0.338·35-s − 1.64·37-s + 0.480·39-s + 0.156·41-s + 1.82·43-s + 0.149·45-s + 1.75·47-s − 3/7·49-s − 0.420·51-s − 1.37·53-s − 0.269·55-s − 0.927·57-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7872 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7872 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7872\)    =    \(2^{6} \cdot 3 \cdot 41\)
Sign: $-1$
Analytic conductor: \(62.8582\)
Root analytic conductor: \(7.92831\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 7872,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 \)
3 \( 1 - T \)
41 \( 1 - T \)
good5 \( 1 - T + p T^{2} \) 1.5.ab
7 \( 1 + 2 T + p T^{2} \) 1.7.c
11 \( 1 + 2 T + p T^{2} \) 1.11.c
13 \( 1 - 3 T + p T^{2} \) 1.13.ad
17 \( 1 + 3 T + p T^{2} \) 1.17.d
19 \( 1 + 7 T + p T^{2} \) 1.19.h
23 \( 1 - 6 T + p T^{2} \) 1.23.ag
29 \( 1 + p T^{2} \) 1.29.a
31 \( 1 - 7 T + p T^{2} \) 1.31.ah
37 \( 1 + 10 T + p T^{2} \) 1.37.k
43 \( 1 - 12 T + p T^{2} \) 1.43.am
47 \( 1 - 12 T + p T^{2} \) 1.47.am
53 \( 1 + 10 T + p T^{2} \) 1.53.k
59 \( 1 + 11 T + p T^{2} \) 1.59.l
61 \( 1 + 10 T + p T^{2} \) 1.61.k
67 \( 1 - 7 T + p T^{2} \) 1.67.ah
71 \( 1 - T + p T^{2} \) 1.71.ab
73 \( 1 - T + p T^{2} \) 1.73.ab
79 \( 1 - 4 T + p T^{2} \) 1.79.ae
83 \( 1 + 15 T + p T^{2} \) 1.83.p
89 \( 1 - T + p T^{2} \) 1.89.ab
97 \( 1 + 18 T + p T^{2} \) 1.97.s
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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

−7.56134107122285343819545911418, −6.64863214009416212147725763442, −6.30406782076837710869113135349, −5.49416322052646269151087457128, −4.52386131840929325198728912357, −3.90992025076914045747312212320, −2.95072815370241313820548435937, −2.40356793062540595163714808335, −1.40227572524070738114784779782, 0, 1.40227572524070738114784779782, 2.40356793062540595163714808335, 2.95072815370241313820548435937, 3.90992025076914045747312212320, 4.52386131840929325198728912357, 5.49416322052646269151087457128, 6.30406782076837710869113135349, 6.64863214009416212147725763442, 7.56134107122285343819545911418

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