Properties

Label 8-20e8-1.1-c5e4-0-1
Degree $8$
Conductor $25600000000$
Sign $1$
Analytic cond. $1.69387\times 10^{7}$
Root an. cond. $8.00958$
Motivic weight $5$
Arithmetic yes
Rational yes
Primitive no
Self-dual yes
Analytic rank $0$

Origins

Origins of factors

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Normalization:  

Dirichlet series

L(s)  = 1  − 46·9-s + 120·11-s + 4.18e3·19-s − 7.10e3·29-s + 1.77e4·31-s − 2.48e4·41-s + 3.69e4·49-s − 7.33e4·59-s + 3.84e4·61-s − 5.47e3·71-s − 3.23e4·79-s + 4.70e4·81-s + 9.46e4·89-s − 5.52e3·99-s + 2.79e5·101-s + 1.93e5·109-s − 4.51e5·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s + 5.90e5·169-s + ⋯
L(s)  = 1  − 0.189·9-s + 0.299·11-s + 2.65·19-s − 1.56·29-s + 3.32·31-s − 2.31·41-s + 2.20·49-s − 2.74·59-s + 1.32·61-s − 0.128·71-s − 0.583·79-s + 0.797·81-s + 1.26·89-s − 0.0566·99-s + 2.72·101-s + 1.56·109-s − 2.80·121-s + 5.50e−6·127-s + 5.09e−6·131-s + 4.55e−6·137-s + 4.38e−6·139-s + 3.69e−6·149-s + 3.56e−6·151-s + 3.23e−6·157-s + 2.94e−6·163-s + 2.77e−6·167-s + 1.59·169-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{16} \cdot 5^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(6-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{16} \cdot 5^{8}\right)^{s/2} \, \Gamma_{\C}(s+5/2)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(2^{16} \cdot 5^{8}\)
Sign: $1$
Analytic conductor: \(1.69387\times 10^{7}\)
Root analytic conductor: \(8.00958\)
Motivic weight: \(5\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 2^{16} \cdot 5^{8} ,\ ( \ : 5/2, 5/2, 5/2, 5/2 ),\ 1 )\)

Particular Values

\(L(3)\) \(\approx\) \(0.9658575501\)
\(L(\frac12)\) \(\approx\) \(0.9658575501\)
\(L(\frac{7}{2})\) 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 \( 1 \)
5 \( 1 \)
good3$D_4\times C_2$ \( 1 + 46 T^{2} - 4997 p^{2} T^{4} + 46 p^{10} T^{6} + p^{20} T^{8} \)
7$D_4\times C_2$ \( 1 - 36980 T^{2} + 883272198 T^{4} - 36980 p^{10} T^{6} + p^{20} T^{8} \)
11$D_{4}$ \( ( 1 - 60 T + 230977 T^{2} - 60 p^{5} T^{3} + p^{10} T^{4} )^{2} \)
13$D_4\times C_2$ \( 1 - 590804 T^{2} + 163581027702 T^{4} - 590804 p^{10} T^{6} + p^{20} T^{8} \)
17$D_4\times C_2$ \( 1 - 1327586 T^{2} + 3973871730147 T^{4} - 1327586 p^{10} T^{6} + p^{20} T^{8} \)
19$D_{4}$ \( ( 1 - 2092 T + 5218089 T^{2} - 2092 p^{5} T^{3} + p^{10} T^{4} )^{2} \)
23$D_4\times C_2$ \( 1 - 10160180 T^{2} + 108548175292998 T^{4} - 10160180 p^{10} T^{6} + p^{20} T^{8} \)
29$D_{4}$ \( ( 1 + 3552 T + 20618074 T^{2} + 3552 p^{5} T^{3} + p^{10} T^{4} )^{2} \)
31$D_{4}$ \( ( 1 - 8888 T + 67804938 T^{2} - 8888 p^{5} T^{3} + p^{10} T^{4} )^{2} \)
37$D_4\times C_2$ \( 1 - 33594380 T^{2} - 2634705186058602 T^{4} - 33594380 p^{10} T^{6} + p^{20} T^{8} \)
41$D_{4}$ \( ( 1 + 12438 T + 217381963 T^{2} + 12438 p^{5} T^{3} + p^{10} T^{4} )^{2} \)
43$D_4\times C_2$ \( 1 - 540244172 T^{2} + 116157205788519894 T^{4} - 540244172 p^{10} T^{6} + p^{20} T^{8} \)
47$D_4\times C_2$ \( 1 - 902407196 T^{2} + 308772689280765702 T^{4} - 902407196 p^{10} T^{6} + p^{20} T^{8} \)
53$D_4\times C_2$ \( 1 - 1189716620 T^{2} + 656395125486896598 T^{4} - 1189716620 p^{10} T^{6} + p^{20} T^{8} \)
59$D_{4}$ \( ( 1 + 36696 T + 1234961302 T^{2} + 36696 p^{5} T^{3} + p^{10} T^{4} )^{2} \)
61$D_{4}$ \( ( 1 - 19204 T + 627029406 T^{2} - 19204 p^{5} T^{3} + p^{10} T^{4} )^{2} \)
67$D_4\times C_2$ \( 1 - 974988050 T^{2} + 2516736182389071123 T^{4} - 974988050 p^{10} T^{6} + p^{20} T^{8} \)
71$D_{4}$ \( ( 1 + 2736 T + 2006886526 T^{2} + 2736 p^{5} T^{3} + p^{10} T^{4} )^{2} \)
73$D_4\times C_2$ \( 1 - 8204978114 T^{2} + 25425197509477462947 T^{4} - 8204978114 p^{10} T^{6} + p^{20} T^{8} \)
79$D_{4}$ \( ( 1 + 16184 T + 6157384362 T^{2} + 16184 p^{5} T^{3} + p^{10} T^{4} )^{2} \)
83$D_4\times C_2$ \( 1 - 7195965410 T^{2} + 40258768525685533923 T^{4} - 7195965410 p^{10} T^{6} + p^{20} T^{8} \)
89$D_{4}$ \( ( 1 - 47322 T - 1006825781 T^{2} - 47322 p^{5} T^{3} + p^{10} T^{4} )^{2} \)
97$D_4\times C_2$ \( 1 - 28221621500 T^{2} + \)\(34\!\cdots\!98\)\( T^{4} - 28221621500 p^{10} T^{6} + p^{20} T^{8} \)
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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

−7.40398713280085432629081152280, −7.05730360635068593050478553473, −6.79433910624980744498318527138, −6.77778309001600587298953628413, −6.11380078456916611540432374790, −6.09163690323236799518726144253, −5.76935252129977773956774117662, −5.57176660603347047522385082644, −5.40308105845601135433634332596, −4.80883715713246131522954960375, −4.67583728887146231511670662941, −4.61091947168498199107241131299, −4.33896773780196025697692108380, −3.59842327603511593353697072462, −3.45486830732101766997968249577, −3.34280064963195514457218340424, −3.18188677791884735790007258408, −2.59144080785299611370255899838, −2.36029141612556492280851388664, −1.96363013665438110520346777903, −1.69839223623848856564687725124, −1.02096484997895471496647747888, −0.974126018263220829122564955966, −0.826187811440256196307099789058, −0.10543515571588512049773446391, 0.10543515571588512049773446391, 0.826187811440256196307099789058, 0.974126018263220829122564955966, 1.02096484997895471496647747888, 1.69839223623848856564687725124, 1.96363013665438110520346777903, 2.36029141612556492280851388664, 2.59144080785299611370255899838, 3.18188677791884735790007258408, 3.34280064963195514457218340424, 3.45486830732101766997968249577, 3.59842327603511593353697072462, 4.33896773780196025697692108380, 4.61091947168498199107241131299, 4.67583728887146231511670662941, 4.80883715713246131522954960375, 5.40308105845601135433634332596, 5.57176660603347047522385082644, 5.76935252129977773956774117662, 6.09163690323236799518726144253, 6.11380078456916611540432374790, 6.77778309001600587298953628413, 6.79433910624980744498318527138, 7.05730360635068593050478553473, 7.40398713280085432629081152280

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