Properties

Label 8-72e8-1.1-c1e4-0-17
Degree $8$
Conductor $7.222\times 10^{14}$
Sign $1$
Analytic cond. $2.93608\times 10^{6}$
Root an. cond. $6.43385$
Motivic weight $1$
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  + 12·7-s + 24·17-s − 12·23-s + 14·25-s + 24·47-s + 68·49-s − 12·71-s + 20·73-s − 36·79-s − 24·89-s + 16·97-s − 24·103-s + 24·113-s + 288·119-s + 20·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s − 144·161-s + 163-s + 167-s + 34·169-s + 173-s + ⋯
L(s)  = 1  + 4.53·7-s + 5.82·17-s − 2.50·23-s + 14/5·25-s + 3.50·47-s + 68/7·49-s − 1.42·71-s + 2.34·73-s − 4.05·79-s − 2.54·89-s + 1.62·97-s − 2.36·103-s + 2.25·113-s + 26.4·119-s + 1.81·121-s + 0.0887·127-s + 0.0873·131-s + 0.0854·137-s + 0.0848·139-s + 0.0819·149-s + 0.0813·151-s + 0.0798·157-s − 11.3·161-s + 0.0783·163-s + 0.0773·167-s + 2.61·169-s + 0.0760·173-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{24} \cdot 3^{16}\right)^{s/2} \, \Gamma_{\C}(s)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(2-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{24} \cdot 3^{16}\right)^{s/2} \, \Gamma_{\C}(s+1/2)^{4} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(8\)
Conductor: \(2^{24} \cdot 3^{16}\)
Sign: $1$
Analytic conductor: \(2.93608\times 10^{6}\)
Root analytic conductor: \(6.43385\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((8,\ 2^{24} \cdot 3^{16} ,\ ( \ : 1/2, 1/2, 1/2, 1/2 ),\ 1 )\)

Particular Values

\(L(1)\) \(\approx\) \(27.62215182\)
\(L(\frac12)\) \(\approx\) \(27.62215182\)
\(L(\frac{3}{2})\) 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)$
bad2 \( 1 \)
3 \( 1 \)
good5$C_2^2$ \( ( 1 - 7 T^{2} + p^{2} T^{4} )^{2} \)
7$D_{4}$ \( ( 1 - 6 T + 20 T^{2} - 6 p T^{3} + p^{2} T^{4} )^{2} \)
11$D_4\times C_2$ \( 1 - 20 T^{2} + 234 T^{4} - 20 p^{2} T^{6} + p^{4} T^{8} \)
13$C_2^2$ \( ( 1 - 17 T^{2} + p^{2} T^{4} )^{2} \)
17$D_{4}$ \( ( 1 - 12 T + 67 T^{2} - 12 p T^{3} + p^{2} T^{4} )^{2} \)
19$D_4\times C_2$ \( 1 - 20 T^{2} + 714 T^{4} - 20 p^{2} T^{6} + p^{4} T^{8} \)
23$D_{4}$ \( ( 1 + 6 T + 52 T^{2} + 6 p T^{3} + p^{2} T^{4} )^{2} \)
29$D_4\times C_2$ \( 1 - 38 T^{2} + 1611 T^{4} - 38 p^{2} T^{6} + p^{4} T^{8} \)
31$C_2^2$ \( ( 1 + 50 T^{2} + p^{2} T^{4} )^{2} \)
37$D_4\times C_2$ \( 1 - 106 T^{2} + 5115 T^{4} - 106 p^{2} T^{6} + p^{4} T^{8} \)
41$C_2^2$ \( ( 1 + 70 T^{2} + p^{2} T^{4} )^{2} \)
43$D_4\times C_2$ \( 1 - 116 T^{2} + 6954 T^{4} - 116 p^{2} T^{6} + p^{4} T^{8} \)
47$D_{4}$ \( ( 1 - 12 T + 82 T^{2} - 12 p T^{3} + p^{2} T^{4} )^{2} \)
53$D_4\times C_2$ \( 1 - 44 T^{2} - 810 T^{4} - 44 p^{2} T^{6} + p^{4} T^{8} \)
59$D_4\times C_2$ \( 1 - 140 T^{2} + 10134 T^{4} - 140 p^{2} T^{6} + p^{4} T^{8} \)
61$D_4\times C_2$ \( 1 - 202 T^{2} + 17211 T^{4} - 202 p^{2} T^{6} + p^{4} T^{8} \)
67$D_4\times C_2$ \( 1 - 212 T^{2} + 20106 T^{4} - 212 p^{2} T^{6} + p^{4} T^{8} \)
71$D_{4}$ \( ( 1 + 6 T + 148 T^{2} + 6 p T^{3} + p^{2} T^{4} )^{2} \)
73$C_2$ \( ( 1 - 5 T + p T^{2} )^{4} \)
79$D_{4}$ \( ( 1 + 18 T + 212 T^{2} + 18 p T^{3} + p^{2} T^{4} )^{2} \)
83$C_2^2$ \( ( 1 - 58 T^{2} + p^{2} T^{4} )^{2} \)
89$D_{4}$ \( ( 1 + 12 T + 187 T^{2} + 12 p T^{3} + p^{2} T^{4} )^{2} \)
97$C_2$ \( ( 1 - 4 T + p T^{2} )^{4} \)
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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

−5.70796987561597413363761177316, −5.49812411045069714931575740782, −5.44897349970160384710304239015, −5.33891028309593595284997172106, −5.12623979800253177214779860042, −4.67470552623576787282584452946, −4.63838765141743865266714465281, −4.50374931893853714082458011941, −4.36521242925281277582450480006, −4.09982045233401948721037458130, −3.98674286776720340377637047804, −3.47636940910132793093894671484, −3.42063568201087327618523670994, −3.17978656405344119400592734463, −3.08666090819395856337335943795, −2.60978414748067023648731594908, −2.52067518244370899344487873131, −2.18224472448400216683822737768, −1.78123070163247051046856331641, −1.77064894237902568981103887491, −1.41020536435015566580306835029, −1.25695659249976452179835682992, −1.01168657861581746451372445020, −0.952772847692637523358534820204, −0.54815504132620902722665549998, 0.54815504132620902722665549998, 0.952772847692637523358534820204, 1.01168657861581746451372445020, 1.25695659249976452179835682992, 1.41020536435015566580306835029, 1.77064894237902568981103887491, 1.78123070163247051046856331641, 2.18224472448400216683822737768, 2.52067518244370899344487873131, 2.60978414748067023648731594908, 3.08666090819395856337335943795, 3.17978656405344119400592734463, 3.42063568201087327618523670994, 3.47636940910132793093894671484, 3.98674286776720340377637047804, 4.09982045233401948721037458130, 4.36521242925281277582450480006, 4.50374931893853714082458011941, 4.63838765141743865266714465281, 4.67470552623576787282584452946, 5.12623979800253177214779860042, 5.33891028309593595284997172106, 5.44897349970160384710304239015, 5.49812411045069714931575740782, 5.70796987561597413363761177316

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