Properties

Label 8-1620e4-1.1-c0e4-0-2
Degree $8$
Conductor $6.887\times 10^{12}$
Sign $1$
Analytic cond. $0.427256$
Root an. cond. $0.899158$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive no
Self-dual yes
Analytic rank $0$

Origins

Origins of factors

Downloads

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Normalization:  

Dirichlet series

L(s)  = 1  + 4-s + 25-s − 6·31-s + 2·49-s − 2·61-s − 64-s + 6·79-s + 100-s − 4·109-s − 2·121-s − 6·124-s + ⋯
L(s)  = 1  + 4-s + 25-s − 6·31-s + 2·49-s − 2·61-s − 64-s + 6·79-s + 100-s − 4·109-s − 2·121-s − 6·124-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{8} \cdot 3^{16} \cdot 5^{4}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{8} \cdot 3^{16} \cdot 5^{4}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(2^{8} \cdot 3^{16} \cdot 5^{4}\)
Sign: $1$
Analytic conductor: \(0.427256\)
Root analytic conductor: \(0.899158\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 2^{8} \cdot 3^{16} \cdot 5^{4} ,\ ( \ : 0, 0, 0, 0 ),\ 1 )\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(1.162742074\)
\(L(\frac12)\) \(\approx\) \(1.162742074\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$\Gal(F_p)$$F_p(T)$
bad2$C_2^2$ \( 1 - T^{2} + T^{4} \)
3 \( 1 \)
5$C_2^2$ \( 1 - T^{2} + T^{4} \)
good7$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
11$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
13$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
17$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
19$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
23$C_2$$\times$$C_2^2$ \( ( 1 + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
29$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
31$C_1$$\times$$C_2$ \( ( 1 + T )^{4}( 1 + T + T^{2} )^{2} \)
37$C_1$$\times$$C_1$ \( ( 1 - T )^{4}( 1 + T )^{4} \)
41$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
43$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
47$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
53$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
59$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
61$C_1$$\times$$C_2$ \( ( 1 + T )^{4}( 1 - T + T^{2} )^{2} \)
67$C_2^2$ \( ( 1 - T^{2} + T^{4} )^{2} \)
71$C_1$$\times$$C_1$ \( ( 1 - T )^{4}( 1 + T )^{4} \)
73$C_1$$\times$$C_1$ \( ( 1 - T )^{4}( 1 + T )^{4} \)
79$C_1$$\times$$C_2$ \( ( 1 - T )^{4}( 1 - T + T^{2} )^{2} \)
83$C_2$$\times$$C_2^2$ \( ( 1 + T^{2} )^{2}( 1 - T^{2} + T^{4} ) \)
89$C_2$ \( ( 1 + T^{2} )^{4} \)
97$C_2$ \( ( 1 - T + T^{2} )^{2}( 1 + T + T^{2} )^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{8} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−6.99475320269487844630952026441, −6.62642737977617720361907892094, −6.49160182955838938500626798135, −6.42495784055379098722209689995, −5.99184138148652764590891469838, −5.89453478103287152027248946679, −5.57197238257233679096340628042, −5.36737219805671584897445819349, −5.14105048468475931556667608079, −5.04470615060909331958343355146, −5.01144223424448215301516582066, −4.35764931623525485525467436163, −4.13804765606483582796806651783, −3.86289823568665006911219669556, −3.85641075320748535554128539130, −3.57255283615605177361288474575, −3.22998638764014325221449549178, −2.88976221028055071545930440726, −2.85903803964139520877266130723, −2.26242527132989234558910948549, −2.07937729064730881951366431317, −2.02431055089821508885389727722, −1.48230050296191406741310029786, −1.40728377320323472824327332004, −0.57880136211724557610178476678, 0.57880136211724557610178476678, 1.40728377320323472824327332004, 1.48230050296191406741310029786, 2.02431055089821508885389727722, 2.07937729064730881951366431317, 2.26242527132989234558910948549, 2.85903803964139520877266130723, 2.88976221028055071545930440726, 3.22998638764014325221449549178, 3.57255283615605177361288474575, 3.85641075320748535554128539130, 3.86289823568665006911219669556, 4.13804765606483582796806651783, 4.35764931623525485525467436163, 5.01144223424448215301516582066, 5.04470615060909331958343355146, 5.14105048468475931556667608079, 5.36737219805671584897445819349, 5.57197238257233679096340628042, 5.89453478103287152027248946679, 5.99184138148652764590891469838, 6.42495784055379098722209689995, 6.49160182955838938500626798135, 6.62642737977617720361907892094, 6.99475320269487844630952026441

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