Properties

Label 8-2e4-1.1-c81e4-0-0
Degree $8$
Conductor $16$
Sign $1$
Analytic cond. $4.76880\times 10^{7}$
Root an. cond. $9.11593$
Motivic weight $81$
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  + 4.39e12·2-s − 7.11e18·3-s + 1.20e25·4-s + 2.49e28·5-s − 3.12e31·6-s + 1.83e34·7-s + 2.65e37·8-s − 3.55e38·9-s + 1.09e41·10-s + 3.29e42·11-s − 8.59e43·12-s + 5.67e44·13-s + 8.08e46·14-s − 1.77e47·15-s + 5.11e49·16-s + 1.70e49·17-s − 1.56e51·18-s + 5.75e51·19-s + 3.01e53·20-s − 1.30e53·21-s + 1.44e55·22-s + 1.96e55·23-s − 1.89e56·24-s − 1.50e56·25-s + 2.49e57·26-s − 9.77e57·27-s + 2.22e59·28-s + ⋯
L(s)  = 1  + 2.82·2-s − 0.337·3-s + 5·4-s + 1.22·5-s − 0.955·6-s + 1.09·7-s + 7.07·8-s − 0.800·9-s + 3.46·10-s + 2.19·11-s − 1.68·12-s + 0.435·13-s + 3.08·14-s − 0.413·15-s + 35/4·16-s + 0.250·17-s − 2.26·18-s + 0.934·19-s + 6.12·20-s − 0.368·21-s + 6.20·22-s + 1.39·23-s − 2.38·24-s − 0.363·25-s + 1.23·26-s − 1.04·27-s + 5.45·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr =\mathstrut & \, \Lambda(82-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 16 ^{s/2} \, \Gamma_{\C}(s+81/2)^{4} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(16\)    =    \(2^{4}\)
Sign: $1$
Analytic conductor: \(4.76880\times 10^{7}\)
Root analytic conductor: \(9.11593\)
Motivic weight: \(81\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 16,\ (\ :81/2, 81/2, 81/2, 81/2),\ 1)\)

Particular Values

\(L(41)\) \(\approx\) \(137.9621464\)
\(L(\frac12)\) \(\approx\) \(137.9621464\)
\(L(\frac{83}{2})\) 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$C_1$ \( ( 1 - p^{40} T )^{4} \)
good3$C_2 \wr S_4$ \( 1 + 2370579126212319568 p T + \)\(68\!\cdots\!32\)\( p^{10} T^{2} + \)\(16\!\cdots\!20\)\( p^{23} T^{3} + \)\(15\!\cdots\!66\)\( p^{40} T^{4} + \)\(16\!\cdots\!20\)\( p^{104} T^{5} + \)\(68\!\cdots\!32\)\( p^{172} T^{6} + 2370579126212319568 p^{244} T^{7} + p^{324} T^{8} \)
5$C_2 \wr S_4$ \( 1 - \)\(49\!\cdots\!56\)\( p T + \)\(24\!\cdots\!68\)\( p^{5} T^{2} - \)\(29\!\cdots\!36\)\( p^{14} T^{3} + \)\(18\!\cdots\!26\)\( p^{25} T^{4} - \)\(29\!\cdots\!36\)\( p^{95} T^{5} + \)\(24\!\cdots\!68\)\( p^{167} T^{6} - \)\(49\!\cdots\!56\)\( p^{244} T^{7} + p^{324} T^{8} \)
7$C_2 \wr S_4$ \( 1 - \)\(26\!\cdots\!56\)\( p T + \)\(45\!\cdots\!48\)\( p^{6} T^{2} - \)\(13\!\cdots\!00\)\( p^{14} T^{3} + \)\(10\!\cdots\!46\)\( p^{24} T^{4} - \)\(13\!\cdots\!00\)\( p^{95} T^{5} + \)\(45\!\cdots\!48\)\( p^{168} T^{6} - \)\(26\!\cdots\!56\)\( p^{244} T^{7} + p^{324} T^{8} \)
11$C_2 \wr S_4$ \( 1 - \)\(29\!\cdots\!08\)\( p T + \)\(62\!\cdots\!08\)\( p^{3} T^{2} - \)\(70\!\cdots\!16\)\( p^{8} T^{3} + \)\(77\!\cdots\!70\)\( p^{13} T^{4} - \)\(70\!\cdots\!16\)\( p^{89} T^{5} + \)\(62\!\cdots\!08\)\( p^{165} T^{6} - \)\(29\!\cdots\!08\)\( p^{244} T^{7} + p^{324} T^{8} \)
13$C_2 \wr S_4$ \( 1 - \)\(56\!\cdots\!16\)\( T + \)\(26\!\cdots\!92\)\( p^{2} T^{2} - \)\(39\!\cdots\!20\)\( p^{6} T^{3} + \)\(71\!\cdots\!34\)\( p^{10} T^{4} - \)\(39\!\cdots\!20\)\( p^{87} T^{5} + \)\(26\!\cdots\!92\)\( p^{164} T^{6} - \)\(56\!\cdots\!16\)\( p^{243} T^{7} + p^{324} T^{8} \)
17$C_2 \wr S_4$ \( 1 - \)\(17\!\cdots\!12\)\( T + \)\(48\!\cdots\!16\)\( p T^{2} - \)\(34\!\cdots\!40\)\( p^{3} T^{3} + \)\(14\!\cdots\!62\)\( p^{7} T^{4} - \)\(34\!\cdots\!40\)\( p^{84} T^{5} + \)\(48\!\cdots\!16\)\( p^{163} T^{6} - \)\(17\!\cdots\!12\)\( p^{243} T^{7} + p^{324} T^{8} \)
19$C_2 \wr S_4$ \( 1 - \)\(57\!\cdots\!20\)\( T + \)\(32\!\cdots\!16\)\( p^{2} T^{2} - \)\(17\!\cdots\!60\)\( p^{5} T^{3} + \)\(17\!\cdots\!54\)\( p^{9} T^{4} - \)\(17\!\cdots\!60\)\( p^{86} T^{5} + \)\(32\!\cdots\!16\)\( p^{164} T^{6} - \)\(57\!\cdots\!20\)\( p^{243} T^{7} + p^{324} T^{8} \)
23$C_2 \wr S_4$ \( 1 - \)\(37\!\cdots\!44\)\( p^{2} T + \)\(13\!\cdots\!52\)\( p^{2} T^{2} - \)\(65\!\cdots\!20\)\( p^{6} T^{3} + \)\(26\!\cdots\!26\)\( p^{8} T^{4} - \)\(65\!\cdots\!20\)\( p^{87} T^{5} + \)\(13\!\cdots\!52\)\( p^{164} T^{6} - \)\(37\!\cdots\!44\)\( p^{245} T^{7} + p^{324} T^{8} \)
29$C_2 \wr S_4$ \( 1 - \)\(89\!\cdots\!00\)\( T - \)\(91\!\cdots\!84\)\( T^{2} - \)\(20\!\cdots\!00\)\( p^{2} T^{3} + \)\(22\!\cdots\!66\)\( p^{4} T^{4} - \)\(20\!\cdots\!00\)\( p^{83} T^{5} - \)\(91\!\cdots\!84\)\( p^{162} T^{6} - \)\(89\!\cdots\!00\)\( p^{243} T^{7} + p^{324} T^{8} \)
31$C_2 \wr S_4$ \( 1 - \)\(44\!\cdots\!08\)\( T + \)\(81\!\cdots\!08\)\( p T^{2} - \)\(24\!\cdots\!36\)\( p^{3} T^{3} + \)\(85\!\cdots\!70\)\( p^{5} T^{4} - \)\(24\!\cdots\!36\)\( p^{84} T^{5} + \)\(81\!\cdots\!08\)\( p^{163} T^{6} - \)\(44\!\cdots\!08\)\( p^{243} T^{7} + p^{324} T^{8} \)
37$C_2 \wr S_4$ \( 1 - \)\(28\!\cdots\!92\)\( T + \)\(58\!\cdots\!56\)\( p T^{2} + \)\(45\!\cdots\!40\)\( p^{3} T^{3} + \)\(19\!\cdots\!58\)\( p^{5} T^{4} + \)\(45\!\cdots\!40\)\( p^{84} T^{5} + \)\(58\!\cdots\!56\)\( p^{163} T^{6} - \)\(28\!\cdots\!92\)\( p^{243} T^{7} + p^{324} T^{8} \)
41$C_2 \wr S_4$ \( 1 - \)\(24\!\cdots\!88\)\( T + \)\(12\!\cdots\!68\)\( T^{2} - \)\(58\!\cdots\!76\)\( p T^{3} + \)\(40\!\cdots\!70\)\( p^{2} T^{4} - \)\(58\!\cdots\!76\)\( p^{82} T^{5} + \)\(12\!\cdots\!68\)\( p^{162} T^{6} - \)\(24\!\cdots\!88\)\( p^{243} T^{7} + p^{324} T^{8} \)
43$C_2 \wr S_4$ \( 1 - \)\(39\!\cdots\!16\)\( T + \)\(11\!\cdots\!68\)\( T^{2} - \)\(50\!\cdots\!40\)\( p T^{3} + \)\(19\!\cdots\!94\)\( p^{2} T^{4} - \)\(50\!\cdots\!40\)\( p^{82} T^{5} + \)\(11\!\cdots\!68\)\( p^{162} T^{6} - \)\(39\!\cdots\!16\)\( p^{243} T^{7} + p^{324} T^{8} \)
47$C_2 \wr S_4$ \( 1 - \)\(68\!\cdots\!52\)\( T + \)\(26\!\cdots\!16\)\( p T^{2} - \)\(26\!\cdots\!80\)\( p^{2} T^{3} + \)\(52\!\cdots\!22\)\( p^{3} T^{4} - \)\(26\!\cdots\!80\)\( p^{83} T^{5} + \)\(26\!\cdots\!16\)\( p^{163} T^{6} - \)\(68\!\cdots\!52\)\( p^{243} T^{7} + p^{324} T^{8} \)
53$C_2 \wr S_4$ \( 1 + \)\(12\!\cdots\!24\)\( T + \)\(22\!\cdots\!76\)\( p T^{2} + \)\(26\!\cdots\!20\)\( p^{2} T^{3} + \)\(35\!\cdots\!98\)\( p^{3} T^{4} + \)\(26\!\cdots\!20\)\( p^{83} T^{5} + \)\(22\!\cdots\!76\)\( p^{163} T^{6} + \)\(12\!\cdots\!24\)\( p^{243} T^{7} + p^{324} T^{8} \)
59$C_2 \wr S_4$ \( 1 - \)\(48\!\cdots\!00\)\( T + \)\(10\!\cdots\!04\)\( p T^{2} - \)\(21\!\cdots\!00\)\( p^{2} T^{3} + \)\(72\!\cdots\!34\)\( p^{3} T^{4} - \)\(21\!\cdots\!00\)\( p^{83} T^{5} + \)\(10\!\cdots\!04\)\( p^{163} T^{6} - \)\(48\!\cdots\!00\)\( p^{243} T^{7} + p^{324} T^{8} \)
61$C_2 \wr S_4$ \( 1 - \)\(13\!\cdots\!08\)\( T + \)\(24\!\cdots\!88\)\( p T^{2} - \)\(44\!\cdots\!76\)\( p^{2} T^{3} + \)\(39\!\cdots\!70\)\( p^{3} T^{4} - \)\(44\!\cdots\!76\)\( p^{83} T^{5} + \)\(24\!\cdots\!88\)\( p^{163} T^{6} - \)\(13\!\cdots\!08\)\( p^{243} T^{7} + p^{324} T^{8} \)
67$C_2 \wr S_4$ \( 1 + \)\(20\!\cdots\!44\)\( p T + \)\(41\!\cdots\!96\)\( p T^{2} + \)\(60\!\cdots\!40\)\( p^{2} T^{3} + \)\(11\!\cdots\!42\)\( p^{3} T^{4} + \)\(60\!\cdots\!40\)\( p^{83} T^{5} + \)\(41\!\cdots\!96\)\( p^{163} T^{6} + \)\(20\!\cdots\!44\)\( p^{244} T^{7} + p^{324} T^{8} \)
71$C_2 \wr S_4$ \( 1 - \)\(74\!\cdots\!88\)\( p T + \)\(26\!\cdots\!28\)\( p^{2} T^{2} + \)\(13\!\cdots\!24\)\( p^{3} T^{3} + \)\(36\!\cdots\!70\)\( p^{4} T^{4} + \)\(13\!\cdots\!24\)\( p^{84} T^{5} + \)\(26\!\cdots\!28\)\( p^{164} T^{6} - \)\(74\!\cdots\!88\)\( p^{244} T^{7} + p^{324} T^{8} \)
73$C_2 \wr S_4$ \( 1 - \)\(48\!\cdots\!56\)\( T + \)\(49\!\cdots\!16\)\( p T^{2} - \)\(22\!\cdots\!60\)\( p^{2} T^{3} + \)\(11\!\cdots\!58\)\( p^{3} T^{4} - \)\(22\!\cdots\!60\)\( p^{83} T^{5} + \)\(49\!\cdots\!16\)\( p^{163} T^{6} - \)\(48\!\cdots\!56\)\( p^{243} T^{7} + p^{324} T^{8} \)
79$C_2 \wr S_4$ \( 1 + \)\(64\!\cdots\!60\)\( p T + \)\(21\!\cdots\!76\)\( p^{2} T^{2} + \)\(10\!\cdots\!20\)\( p^{3} T^{3} + \)\(24\!\cdots\!66\)\( p^{4} T^{4} + \)\(10\!\cdots\!20\)\( p^{84} T^{5} + \)\(21\!\cdots\!76\)\( p^{164} T^{6} + \)\(64\!\cdots\!60\)\( p^{244} T^{7} + p^{324} T^{8} \)
83$C_2 \wr S_4$ \( 1 + \)\(23\!\cdots\!64\)\( T + \)\(57\!\cdots\!68\)\( T^{2} + \)\(21\!\cdots\!20\)\( T^{3} + \)\(20\!\cdots\!46\)\( T^{4} + \)\(21\!\cdots\!20\)\( p^{81} T^{5} + \)\(57\!\cdots\!68\)\( p^{162} T^{6} + \)\(23\!\cdots\!64\)\( p^{243} T^{7} + p^{324} T^{8} \)
89$C_2 \wr S_4$ \( 1 - \)\(27\!\cdots\!60\)\( T + \)\(48\!\cdots\!56\)\( T^{2} - \)\(63\!\cdots\!20\)\( T^{3} + \)\(63\!\cdots\!26\)\( T^{4} - \)\(63\!\cdots\!20\)\( p^{81} T^{5} + \)\(48\!\cdots\!56\)\( p^{162} T^{6} - \)\(27\!\cdots\!60\)\( p^{243} T^{7} + p^{324} T^{8} \)
97$C_2 \wr S_4$ \( 1 + \)\(15\!\cdots\!08\)\( T + \)\(16\!\cdots\!12\)\( T^{2} + \)\(49\!\cdots\!60\)\( T^{3} + \)\(12\!\cdots\!26\)\( T^{4} + \)\(49\!\cdots\!60\)\( p^{81} T^{5} + \)\(16\!\cdots\!12\)\( p^{162} T^{6} + \)\(15\!\cdots\!08\)\( p^{243} T^{7} + p^{324} T^{8} \)
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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

−8.642066739537162167075912311131, −8.064074493307377880060133356257, −7.76401563729633409174038891880, −7.39560665790946365817304013983, −7.06172054261726660448778580391, −6.39903658654996153532488242974, −6.24623737766837934786737635905, −6.13225866704962659377101924309, −5.90454407952346430133305049148, −5.35298506312240518733494336163, −5.08197484228443642121743744335, −4.99223663401325734079075783047, −4.39892408420480836732326441934, −4.09308719670146413002772945969, −3.87859343166051952528204844995, −3.60782561744738757361252162056, −3.10909811154511923734058298154, −2.58042340022306084397919131183, −2.50877781832259357027743113090, −2.30191900944389513159855027303, −1.66027834677990205904022508826, −1.27505859728183029454835287117, −1.13982943665743700207569397739, −1.07905802816476386157795905783, −0.43404206843309624699846110995, 0.43404206843309624699846110995, 1.07905802816476386157795905783, 1.13982943665743700207569397739, 1.27505859728183029454835287117, 1.66027834677990205904022508826, 2.30191900944389513159855027303, 2.50877781832259357027743113090, 2.58042340022306084397919131183, 3.10909811154511923734058298154, 3.60782561744738757361252162056, 3.87859343166051952528204844995, 4.09308719670146413002772945969, 4.39892408420480836732326441934, 4.99223663401325734079075783047, 5.08197484228443642121743744335, 5.35298506312240518733494336163, 5.90454407952346430133305049148, 6.13225866704962659377101924309, 6.24623737766837934786737635905, 6.39903658654996153532488242974, 7.06172054261726660448778580391, 7.39560665790946365817304013983, 7.76401563729633409174038891880, 8.064074493307377880060133356257, 8.642066739537162167075912311131

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