Properties

Label 2-2e3-8.3-c40-0-33
Degree $2$
Conductor $8$
Sign $1$
Analytic cond. $81.0738$
Root an. cond. $9.00410$
Motivic weight $40$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.04e6·2-s + 6.07e9·3-s + 1.09e12·4-s + 6.36e15·6-s + 1.15e18·8-s + 2.47e19·9-s + 4.50e20·11-s + 6.67e21·12-s + 1.20e24·16-s + 3.11e24·17-s + 2.59e25·18-s − 7.41e25·19-s + 4.72e26·22-s + 7.00e27·24-s + 9.09e27·25-s + 7.64e28·27-s + 1.26e30·32-s + 2.73e30·33-s + 3.26e30·34-s + 2.71e31·36-s − 7.77e31·38-s + 2.85e32·41-s − 9.26e32·43-s + 4.95e32·44-s + 7.34e33·48-s + 6.36e33·49-s + 9.53e33·50-s + ⋯
L(s)  = 1  + 2-s + 1.74·3-s + 4-s + 1.74·6-s + 8-s + 2.03·9-s + 0.670·11-s + 1.74·12-s + 16-s + 0.767·17-s + 2.03·18-s − 1.97·19-s + 0.670·22-s + 1.74·24-s + 25-s + 1.80·27-s + 32-s + 1.16·33-s + 0.767·34-s + 2.03·36-s − 1.97·38-s + 1.58·41-s − 1.98·43-s + 0.670·44-s + 1.74·48-s + 49-s + 50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(41-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s+20) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8\)    =    \(2^{3}\)
Sign: $1$
Analytic conductor: \(81.0738\)
Root analytic conductor: \(9.00410\)
Motivic weight: \(40\)
Rational: yes
Arithmetic: yes
Character: $\chi_{8} (3, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 8,\ (\ :20),\ 1)\)

Particular Values

\(L(\frac{41}{2})\) \(\approx\) \(9.163519468\)
\(L(\frac12)\) \(\approx\) \(9.163519468\)
\(L(21)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p^{20} T \)
good3 \( 1 - 6074010274 T + p^{40} T^{2} \)
5 \( ( 1 - p^{20} T )( 1 + p^{20} T ) \)
7 \( ( 1 - p^{20} T )( 1 + p^{20} T ) \)
11 \( 1 - \)\(45\!\cdots\!74\)\( T + p^{40} T^{2} \)
13 \( ( 1 - p^{20} T )( 1 + p^{20} T ) \)
17 \( 1 - \)\(31\!\cdots\!74\)\( T + p^{40} T^{2} \)
19 \( 1 + \)\(74\!\cdots\!26\)\( T + p^{40} T^{2} \)
23 \( ( 1 - p^{20} T )( 1 + p^{20} T ) \)
29 \( ( 1 - p^{20} T )( 1 + p^{20} T ) \)
31 \( ( 1 - p^{20} T )( 1 + p^{20} T ) \)
37 \( ( 1 - p^{20} T )( 1 + p^{20} T ) \)
41 \( 1 - \)\(28\!\cdots\!74\)\( T + p^{40} T^{2} \)
43 \( 1 + \)\(92\!\cdots\!98\)\( T + p^{40} T^{2} \)
47 \( ( 1 - p^{20} T )( 1 + p^{20} T ) \)
53 \( ( 1 - p^{20} T )( 1 + p^{20} T ) \)
59 \( 1 + \)\(49\!\cdots\!98\)\( T + p^{40} T^{2} \)
61 \( ( 1 - p^{20} T )( 1 + p^{20} T ) \)
67 \( 1 + \)\(65\!\cdots\!26\)\( T + p^{40} T^{2} \)
71 \( ( 1 - p^{20} T )( 1 + p^{20} T ) \)
73 \( 1 + \)\(73\!\cdots\!26\)\( T + p^{40} T^{2} \)
79 \( ( 1 - p^{20} T )( 1 + p^{20} T ) \)
83 \( 1 - \)\(48\!\cdots\!74\)\( T + p^{40} T^{2} \)
89 \( 1 - \)\(18\!\cdots\!74\)\( T + p^{40} T^{2} \)
97 \( 1 + \)\(83\!\cdots\!98\)\( T + p^{40} T^{2} \)
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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

−13.43584524943433600033842998587, −12.38037830603487849341591736507, −10.49902902530454687279694806153, −8.951924686108265668227164934611, −7.74659680276416315582949594667, −6.45861680537687427087680969951, −4.50396560873164721928928611327, −3.52480903071920779321212172693, −2.49888384433323792077505047865, −1.45328371370504805446593303464, 1.45328371370504805446593303464, 2.49888384433323792077505047865, 3.52480903071920779321212172693, 4.50396560873164721928928611327, 6.45861680537687427087680969951, 7.74659680276416315582949594667, 8.951924686108265668227164934611, 10.49902902530454687279694806153, 12.38037830603487849341591736507, 13.43584524943433600033842998587

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