Properties

Label 16-1470e8-1.1-c1e8-0-5
Degree $16$
Conductor $2.180\times 10^{25}$
Sign $1$
Analytic cond. $3.60375\times 10^{8}$
Root an. cond. $3.42607$
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  + 8·2-s + 36·4-s + 120·8-s − 8·9-s + 330·16-s − 64·18-s − 8·23-s − 4·25-s + 792·32-s − 288·36-s − 64·46-s − 32·50-s + 40·53-s + 1.71e3·64-s − 960·72-s + 48·79-s + 30·81-s − 288·92-s − 144·100-s + 320·106-s − 32·109-s + 96·113-s + 44·121-s + 127-s + 3.43e3·128-s + 131-s + 137-s + ⋯
L(s)  = 1  + 5.65·2-s + 18·4-s + 42.4·8-s − 8/3·9-s + 82.5·16-s − 15.0·18-s − 1.66·23-s − 4/5·25-s + 140.·32-s − 48·36-s − 9.43·46-s − 4.52·50-s + 5.49·53-s + 214.5·64-s − 113.·72-s + 5.40·79-s + 10/3·81-s − 30.0·92-s − 14.3·100-s + 31.0·106-s − 3.06·109-s + 9.03·113-s + 4·121-s + 0.0887·127-s + 303.·128-s + 0.0873·131-s + 0.0854·137-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{8} \cdot 3^{8} \cdot 5^{8} \cdot 7^{16}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(2-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{8} \cdot 3^{8} \cdot 5^{8} \cdot 7^{16}\right)^{s/2} \, \Gamma_{\C}(s+1/2)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(2^{8} \cdot 3^{8} \cdot 5^{8} \cdot 7^{16}\)
Sign: $1$
Analytic conductor: \(3.60375\times 10^{8}\)
Root analytic conductor: \(3.42607\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 2^{8} \cdot 3^{8} \cdot 5^{8} \cdot 7^{16} ,\ ( \ : [1/2]^{8} ),\ 1 )\)

Particular Values

\(L(1)\) \(\approx\) \(623.2600131\)
\(L(\frac12)\) \(\approx\) \(623.2600131\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( ( 1 - T )^{8} \)
3 \( ( 1 + 4 T^{2} + p^{2} T^{4} )^{2} \)
5 \( ( 1 + 2 T^{2} + p^{2} T^{4} )^{2} \)
7 \( 1 \)
good11 \( ( 1 - 2 p T^{2} + 243 T^{4} - 2 p^{3} T^{6} + p^{4} T^{8} )^{2} \)
13 \( ( 1 + 6 T^{2} - 133 T^{4} + 6 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
17 \( ( 1 - 24 T^{2} + p^{2} T^{4} )^{4} \)
19 \( ( 1 - 50 T^{2} + 1227 T^{4} - 50 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
23 \( ( 1 + 2 T + 17 T^{2} + 2 p T^{3} + p^{2} T^{4} )^{4} \)
29 \( ( 1 - 64 T^{2} + 2226 T^{4} - 64 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
31 \( ( 1 - 80 T^{2} + 3042 T^{4} - 80 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
37 \( ( 1 - 90 T^{2} + 4283 T^{4} - 90 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
41 \( ( 1 + 118 T^{2} + 6363 T^{4} + 118 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
43 \( ( 1 - 120 T^{2} + 6818 T^{4} - 120 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
47 \( ( 1 - 2 T^{2} + 3339 T^{4} - 2 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
53 \( ( 1 - 5 T + p T^{2} )^{8} \)
59 \( ( 1 + 100 T^{2} + 7542 T^{4} + 100 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
61 \( ( 1 - 110 T^{2} + p^{2} T^{4} )^{4} \)
67 \( ( 1 - 36 T^{2} + 1622 T^{4} - 36 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
71 \( ( 1 - 232 T^{2} + 23058 T^{4} - 232 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
73 \( ( 1 + 136 T^{2} + 10962 T^{4} + 136 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
79 \( ( 1 - 12 T + 164 T^{2} - 12 p T^{3} + p^{2} T^{4} )^{4} \)
83 \( ( 1 - 36 T^{2} - 3178 T^{4} - 36 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
89 \( ( 1 + 220 T^{2} + 26022 T^{4} + 220 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
97 \( ( 1 + 232 T^{2} + 27954 T^{4} + 232 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{16} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−3.97584453811611342084176372054, −3.97087576304114748576120426539, −3.86493439617128081875218355729, −3.75025368342775154685767485459, −3.72101810907084682765045100331, −3.30252083323582653005041356019, −3.27310248044070726681009933952, −3.24931348693851286001597524205, −3.10368446984060542256961683050, −3.00623969996457179039722433107, −3.00454868268232223648477811474, −2.64471678903771777019667879169, −2.53070511784759051123165775547, −2.41731649365692021992534308305, −2.40291947256406299287977371099, −2.05435750262812371804935934256, −2.03661580200571410342539942931, −1.95451636120438803249937965831, −1.90771236697076819342610197999, −1.72008004637556065979444017874, −1.46847700278065354273376826997, −0.889456567586859239066329556391, −0.77169847761621113723630462291, −0.67456089818154571045477312015, −0.50866062040120126303082961106, 0.50866062040120126303082961106, 0.67456089818154571045477312015, 0.77169847761621113723630462291, 0.889456567586859239066329556391, 1.46847700278065354273376826997, 1.72008004637556065979444017874, 1.90771236697076819342610197999, 1.95451636120438803249937965831, 2.03661580200571410342539942931, 2.05435750262812371804935934256, 2.40291947256406299287977371099, 2.41731649365692021992534308305, 2.53070511784759051123165775547, 2.64471678903771777019667879169, 3.00454868268232223648477811474, 3.00623969996457179039722433107, 3.10368446984060542256961683050, 3.24931348693851286001597524205, 3.27310248044070726681009933952, 3.30252083323582653005041356019, 3.72101810907084682765045100331, 3.75025368342775154685767485459, 3.86493439617128081875218355729, 3.97087576304114748576120426539, 3.97584453811611342084176372054

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

Plot not available for L-functions of degree greater than 10.