Properties

Label 2-2e3-8.3-c26-0-17
Degree $2$
Conductor $8$
Sign $1$
Analytic cond. $34.2634$
Root an. cond. $5.85349$
Motivic weight $26$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 8.19e3·2-s + 3.05e6·3-s + 6.71e7·4-s − 2.49e10·6-s − 5.49e11·8-s + 6.76e12·9-s + 3.05e13·11-s + 2.04e14·12-s + 4.50e15·16-s + 1.37e16·17-s − 5.54e16·18-s − 8.11e16·19-s − 2.49e17·22-s − 1.67e18·24-s + 1.49e18·25-s + 1.28e19·27-s − 3.68e19·32-s + 9.30e19·33-s − 1.12e20·34-s + 4.54e20·36-s + 6.64e20·38-s − 1.83e21·41-s + 2.92e21·43-s + 2.04e21·44-s + 1.37e22·48-s + 9.38e21·49-s − 1.22e22·50-s + ⋯
L(s)  = 1  − 2-s + 1.91·3-s + 4-s − 1.91·6-s − 8-s + 2.66·9-s + 0.883·11-s + 1.91·12-s + 16-s + 1.38·17-s − 2.66·18-s − 1.93·19-s − 0.883·22-s − 1.91·24-s + 25-s + 3.18·27-s − 32-s + 1.69·33-s − 1.38·34-s + 2.66·36-s + 1.93·38-s − 1.98·41-s + 1.69·43-s + 0.883·44-s + 1.91·48-s + 49-s − 50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(27-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s+13) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8\)    =    \(2^{3}\)
Sign: $1$
Analytic conductor: \(34.2634\)
Root analytic conductor: \(5.85349\)
Motivic weight: \(26\)
Rational: yes
Arithmetic: yes
Character: $\chi_{8} (3, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 8,\ (\ :13),\ 1)\)

Particular Values

\(L(\frac{27}{2})\) \(\approx\) \(2.931788804\)
\(L(\frac12)\) \(\approx\) \(2.931788804\)
\(L(14)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + p^{13} T \)
good3 \( 1 - 3051358 T + p^{26} T^{2} \)
5 \( ( 1 - p^{13} T )( 1 + p^{13} T ) \)
7 \( ( 1 - p^{13} T )( 1 + p^{13} T ) \)
11 \( 1 - 30510390062894 T + p^{26} T^{2} \)
13 \( ( 1 - p^{13} T )( 1 + p^{13} T ) \)
17 \( 1 - 13720682212698242 T + p^{26} T^{2} \)
19 \( 1 + 81175017677663554 T + p^{26} T^{2} \)
23 \( ( 1 - p^{13} T )( 1 + p^{13} T ) \)
29 \( ( 1 - p^{13} T )( 1 + p^{13} T ) \)
31 \( ( 1 - p^{13} T )( 1 + p^{13} T ) \)
37 \( ( 1 - p^{13} T )( 1 + p^{13} T ) \)
41 \( 1 + \)\(18\!\cdots\!86\)\( T + p^{26} T^{2} \)
43 \( 1 - \)\(29\!\cdots\!14\)\( T + p^{26} T^{2} \)
47 \( ( 1 - p^{13} T )( 1 + p^{13} T ) \)
53 \( ( 1 - p^{13} T )( 1 + p^{13} T ) \)
59 \( 1 - \)\(11\!\cdots\!58\)\( T + p^{26} T^{2} \)
61 \( ( 1 - p^{13} T )( 1 + p^{13} T ) \)
67 \( 1 + \)\(32\!\cdots\!78\)\( T + p^{26} T^{2} \)
71 \( ( 1 - p^{13} T )( 1 + p^{13} T ) \)
73 \( 1 - \)\(33\!\cdots\!38\)\( T + p^{26} T^{2} \)
79 \( ( 1 - p^{13} T )( 1 + p^{13} T ) \)
83 \( 1 + \)\(10\!\cdots\!62\)\( T + p^{26} T^{2} \)
89 \( 1 + \)\(27\!\cdots\!14\)\( T + p^{26} T^{2} \)
97 \( 1 + \)\(38\!\cdots\!54\)\( T + p^{26} T^{2} \)
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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

−15.20665397032226332036803527751, −14.34298902994141365380939546284, −12.53811648245079469234051846733, −10.29678843616309040328704113720, −9.070917313127442811700080056427, −8.193979394052157457158331367200, −6.86051414376156613880663155661, −3.74473329041877878222748452745, −2.43942041833936374294974320011, −1.24278843282188874623982059963, 1.24278843282188874623982059963, 2.43942041833936374294974320011, 3.74473329041877878222748452745, 6.86051414376156613880663155661, 8.193979394052157457158331367200, 9.070917313127442811700080056427, 10.29678843616309040328704113720, 12.53811648245079469234051846733, 14.34298902994141365380939546284, 15.20665397032226332036803527751

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