Properties

Label 8-75e4-1.1-c1e4-0-0
Degree $8$
Conductor $31640625$
Sign $1$
Analytic cond. $0.128633$
Root an. cond. $0.773872$
Motivic weight $1$
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  − 8·16-s + 28·31-s − 52·61-s − 9·81-s + 44·121-s + ⋯
L(s)  = 1  − 2·16-s + 5.02·31-s − 6.65·61-s − 81-s + 4·121-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 31640625 ^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 31640625 ^{s/2} \, \Gamma_{\C}(s+1/2)^{4} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(31640625\)    =    \(3^{4} \cdot 5^{8}\)
Sign: $1$
Analytic conductor: \(0.128633\)
Root analytic conductor: \(0.773872\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 31640625,\ (\ :1/2, 1/2, 1/2, 1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.7195562622\)
\(L(\frac12)\) \(\approx\) \(0.7195562622\)
\(L(\frac{3}{2})\) 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)$Isogeny Class over $\mathbf{F}_p$
bad3$C_2^2$ \( 1 + p^{2} T^{4} \)
5 \( 1 \)
good2$C_2$ \( ( 1 - p T + p T^{2} )^{2}( 1 + p T + p T^{2} )^{2} \) 4.2.a_a_a_i
7$C_2^3$ \( 1 + 23 T^{4} + p^{4} T^{8} \) 4.7.a_a_a_x
11$C_2$ \( ( 1 - p T^{2} )^{4} \) 4.11.a_abs_a_bby
13$C_2^3$ \( 1 - 337 T^{4} + p^{4} T^{8} \) 4.13.a_a_a_amz
17$C_2^2$ \( ( 1 + p^{2} T^{4} )^{2} \) 4.17.a_a_a_wg
19$C_2^2$ \( ( 1 - 37 T^{2} + p^{2} T^{4} )^{2} \) 4.19.a_acw_a_dcl
23$C_2^2$ \( ( 1 + p^{2} T^{4} )^{2} \) 4.23.a_a_a_bos
29$C_2$ \( ( 1 + p T^{2} )^{4} \) 4.29.a_em_a_hmc
31$C_2$ \( ( 1 - 7 T + p T^{2} )^{4} \) 4.31.abc_qc_afwy_bnbf
37$C_2^3$ \( 1 - 2062 T^{4} + p^{4} T^{8} \) 4.37.a_a_a_adbi
41$C_2$ \( ( 1 - p T^{2} )^{4} \) 4.41.a_agi_a_oxy
43$C_2^3$ \( 1 + 23 T^{4} + p^{4} T^{8} \) 4.43.a_a_a_x
47$C_2^2$ \( ( 1 + p^{2} T^{4} )^{2} \) 4.47.a_a_a_gny
53$C_2^2$ \( ( 1 + p^{2} T^{4} )^{2} \) 4.53.a_a_a_iic
59$C_2$ \( ( 1 + p T^{2} )^{4} \) 4.59.a_jc_a_bexi
61$C_2$ \( ( 1 + 13 T + p T^{2} )^{4} \) 4.61.ca_bwk_bbca_jyhf
67$C_2^3$ \( 1 + 2903 T^{4} + p^{4} T^{8} \) 4.67.a_a_a_ehr
71$C_2$ \( ( 1 - p T^{2} )^{4} \) 4.71.a_aky_a_bsti
73$C_2^3$ \( 1 - 8542 T^{4} + p^{4} T^{8} \) 4.73.a_a_a_amqo
79$C_2^2$ \( ( 1 - 142 T^{2} + p^{2} T^{4} )^{2} \) 4.79.a_aky_a_bwhq
83$C_2^2$ \( ( 1 + p^{2} T^{4} )^{2} \) 4.83.a_a_a_ujy
89$C_2$ \( ( 1 + p T^{2} )^{4} \) 4.89.a_ns_a_cshy
97$C_2^3$ \( 1 + 9743 T^{4} + p^{4} T^{8} \) 4.97.a_a_a_okt
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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

−10.91716168672346151599909082160, −10.53054949609946400449155059232, −10.15975893520387179183476691193, −9.952799119937312366033459277162, −9.772617469579423903268941548710, −9.231432884730583854010018457341, −9.036581819683474654658054851719, −8.681011624422328193694113894818, −8.550953013005702770550571426653, −7.994397841346464287665603950071, −7.77393031490225384892523888350, −7.49437130344566530573441106044, −6.98889702694688790200163282196, −6.68718685796925635333848569441, −6.30718475875464681992262523024, −6.01022959873947222877292291735, −5.96228250188154202928945484523, −4.86441124038730884874123218676, −4.70269006944242844820140091690, −4.64167692735357968724799275556, −4.17428157854659057736214700116, −3.36245573472265835272861328486, −2.70868322794637484948616079394, −2.65308386127335085338012855862, −1.51080945135387386955239285171, 1.51080945135387386955239285171, 2.65308386127335085338012855862, 2.70868322794637484948616079394, 3.36245573472265835272861328486, 4.17428157854659057736214700116, 4.64167692735357968724799275556, 4.70269006944242844820140091690, 4.86441124038730884874123218676, 5.96228250188154202928945484523, 6.01022959873947222877292291735, 6.30718475875464681992262523024, 6.68718685796925635333848569441, 6.98889702694688790200163282196, 7.49437130344566530573441106044, 7.77393031490225384892523888350, 7.994397841346464287665603950071, 8.550953013005702770550571426653, 8.681011624422328193694113894818, 9.036581819683474654658054851719, 9.231432884730583854010018457341, 9.772617469579423903268941548710, 9.952799119937312366033459277162, 10.15975893520387179183476691193, 10.53054949609946400449155059232, 10.91716168672346151599909082160

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