Properties

Label 2-80688-1.1-c1-0-2
Degree $2$
Conductor $80688$
Sign $1$
Analytic cond. $644.296$
Root an. cond. $25.3830$
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 + 2·7-s + 9-s − 4·11-s + 4·13-s + 2·15-s + 2·17-s − 8·19-s − 2·21-s − 4·23-s − 25-s − 27-s + 8·29-s − 4·31-s + 4·33-s − 4·35-s + 2·37-s − 4·39-s − 4·43-s − 2·45-s − 2·47-s − 3·49-s − 2·51-s − 4·53-s + 8·55-s + 8·57-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.894·5-s + 0.755·7-s + 1/3·9-s − 1.20·11-s + 1.10·13-s + 0.516·15-s + 0.485·17-s − 1.83·19-s − 0.436·21-s − 0.834·23-s − 1/5·25-s − 0.192·27-s + 1.48·29-s − 0.718·31-s + 0.696·33-s − 0.676·35-s + 0.328·37-s − 0.640·39-s − 0.609·43-s − 0.298·45-s − 0.291·47-s − 3/7·49-s − 0.280·51-s − 0.549·53-s + 1.07·55-s + 1.05·57-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 80688 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 80688 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(80688\)    =    \(2^{4} \cdot 3 \cdot 41^{2}\)
Sign: $1$
Analytic conductor: \(644.296\)
Root analytic conductor: \(25.3830\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 80688,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.5223589519\)
\(L(\frac12)\) \(\approx\) \(0.5223589519\)
\(L(\frac{3}{2})\) 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 \( 1 \)
good5 \( 1 + 2 T + p T^{2} \) 1.5.c
7 \( 1 - 2 T + p T^{2} \) 1.7.ac
11 \( 1 + 4 T + p T^{2} \) 1.11.e
13 \( 1 - 4 T + p T^{2} \) 1.13.ae
17 \( 1 - 2 T + p T^{2} \) 1.17.ac
19 \( 1 + 8 T + p T^{2} \) 1.19.i
23 \( 1 + 4 T + p T^{2} \) 1.23.e
29 \( 1 - 8 T + p T^{2} \) 1.29.ai
31 \( 1 + 4 T + p T^{2} \) 1.31.e
37 \( 1 - 2 T + p T^{2} \) 1.37.ac
43 \( 1 + 4 T + p T^{2} \) 1.43.e
47 \( 1 + 2 T + p T^{2} \) 1.47.c
53 \( 1 + 4 T + p T^{2} \) 1.53.e
59 \( 1 + 12 T + p T^{2} \) 1.59.m
61 \( 1 + 6 T + p T^{2} \) 1.61.g
67 \( 1 - 16 T + p T^{2} \) 1.67.aq
71 \( 1 - 6 T + p T^{2} \) 1.71.ag
73 \( 1 + 2 T + p T^{2} \) 1.73.c
79 \( 1 + 14 T + p T^{2} \) 1.79.o
83 \( 1 + 4 T + p T^{2} \) 1.83.e
89 \( 1 - 6 T + p T^{2} \) 1.89.ag
97 \( 1 - 2 T + p T^{2} \) 1.97.ac
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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

−14.20126917003086, −13.34280890730310, −12.86420099256068, −12.56999980409280, −11.86566432970409, −11.51237080600924, −10.99675693590734, −10.57209974937291, −10.27311433176968, −9.537234094955681, −8.670688225794315, −8.316912278066533, −7.917788059152851, −7.562306854668692, −6.684353900051832, −6.227003757735676, −5.766524688728691, −4.931861227103234, −4.672046671102563, −3.980262531230053, −3.511268995847408, −2.659868107395893, −1.923806270594474, −1.256506091734745, −0.2532899113479254, 0.2532899113479254, 1.256506091734745, 1.923806270594474, 2.659868107395893, 3.511268995847408, 3.980262531230053, 4.672046671102563, 4.931861227103234, 5.766524688728691, 6.227003757735676, 6.684353900051832, 7.562306854668692, 7.917788059152851, 8.316912278066533, 8.670688225794315, 9.537234094955681, 10.27311433176968, 10.57209974937291, 10.99675693590734, 11.51237080600924, 11.86566432970409, 12.56999980409280, 12.86420099256068, 13.34280890730310, 14.20126917003086

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