Properties

Label 2-7872-1.1-c1-0-71
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 $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s + 2·5-s + 4·7-s + 9-s + 5·11-s + 4·13-s − 2·15-s − 5·17-s − 2·19-s − 4·21-s − 4·23-s − 25-s − 27-s − 29-s + 5·31-s − 5·33-s + 8·35-s + 7·37-s − 4·39-s − 41-s + 7·43-s + 2·45-s − 7·47-s + 9·49-s + 5·51-s + 14·53-s + 10·55-s + ⋯
L(s)  = 1  − 0.577·3-s + 0.894·5-s + 1.51·7-s + 1/3·9-s + 1.50·11-s + 1.10·13-s − 0.516·15-s − 1.21·17-s − 0.458·19-s − 0.872·21-s − 0.834·23-s − 1/5·25-s − 0.192·27-s − 0.185·29-s + 0.898·31-s − 0.870·33-s + 1.35·35-s + 1.15·37-s − 0.640·39-s − 0.156·41-s + 1.06·43-s + 0.298·45-s − 1.02·47-s + 9/7·49-s + 0.700·51-s + 1.92·53-s + 1.34·55-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: \(0\)
Selberg data: \((2,\ 7872,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.957909048\)
\(L(\frac12)\) \(\approx\) \(2.957909048\)
\(L(\frac{3}{2})\) 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 \( 1 - 2 T + p T^{2} \) 1.5.ac
7 \( 1 - 4 T + p T^{2} \) 1.7.ae
11 \( 1 - 5 T + p T^{2} \) 1.11.af
13 \( 1 - 4 T + p T^{2} \) 1.13.ae
17 \( 1 + 5 T + p T^{2} \) 1.17.f
19 \( 1 + 2 T + p T^{2} \) 1.19.c
23 \( 1 + 4 T + p T^{2} \) 1.23.e
29 \( 1 + T + p T^{2} \) 1.29.b
31 \( 1 - 5 T + p T^{2} \) 1.31.af
37 \( 1 - 7 T + p T^{2} \) 1.37.ah
43 \( 1 - 7 T + p T^{2} \) 1.43.ah
47 \( 1 + 7 T + p T^{2} \) 1.47.h
53 \( 1 - 14 T + p T^{2} \) 1.53.ao
59 \( 1 + 12 T + p T^{2} \) 1.59.m
61 \( 1 - 3 T + p T^{2} \) 1.61.ad
67 \( 1 + 2 T + p T^{2} \) 1.67.c
71 \( 1 - 3 T + p T^{2} \) 1.71.ad
73 \( 1 - 13 T + p T^{2} \) 1.73.an
79 \( 1 - 2 T + p T^{2} \) 1.79.ac
83 \( 1 + 2 T + p T^{2} \) 1.83.c
89 \( 1 - 18 T + p T^{2} \) 1.89.as
97 \( 1 + 14 T + p T^{2} \) 1.97.o
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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

−7.966986265557926570197432680178, −6.97251470849582837880103346059, −6.19642745389320963271087195581, −6.03595879291802229699044108462, −5.03096503540440472438701112935, −4.31360004267648799529321687464, −3.86602836040786568101247257090, −2.31215148686502236781007605524, −1.69942039841040252834657793640, −0.967525573606667506502291802924, 0.967525573606667506502291802924, 1.69942039841040252834657793640, 2.31215148686502236781007605524, 3.86602836040786568101247257090, 4.31360004267648799529321687464, 5.03096503540440472438701112935, 6.03595879291802229699044108462, 6.19642745389320963271087195581, 6.97251470849582837880103346059, 7.966986265557926570197432680178

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