Properties

Label 16-448e8-1.1-c2e8-0-5
Degree $16$
Conductor $1.623\times 10^{21}$
Sign $1$
Analytic cond. $4.93065\times 10^{8}$
Root an. cond. $3.49386$
Motivic weight $2$
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  + 8·9-s + 104·25-s + 112·29-s − 208·37-s + 4·49-s + 240·53-s + 84·81-s − 304·113-s − 472·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s + 936·169-s + 173-s + 179-s + 181-s + 191-s + 193-s + 197-s + 199-s + 211-s + ⋯
L(s)  = 1  + 8/9·9-s + 4.15·25-s + 3.86·29-s − 5.62·37-s + 4/49·49-s + 4.52·53-s + 1.03·81-s − 2.69·113-s − 3.90·121-s + 0.00787·127-s + 0.00763·131-s + 0.00729·137-s + 0.00719·139-s + 0.00671·149-s + 0.00662·151-s + 0.00636·157-s + 0.00613·163-s + 0.00598·167-s + 5.53·169-s + 0.00578·173-s + 0.00558·179-s + 0.00552·181-s + 0.00523·191-s + 0.00518·193-s + 0.00507·197-s + 0.00502·199-s + 0.00473·211-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{48} \cdot 7^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(3-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{48} \cdot 7^{8}\right)^{s/2} \, \Gamma_{\C}(s+1)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(2^{48} \cdot 7^{8}\)
Sign: $1$
Analytic conductor: \(4.93065\times 10^{8}\)
Root analytic conductor: \(3.49386\)
Motivic weight: \(2\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 2^{48} \cdot 7^{8} ,\ ( \ : [1]^{8} ),\ 1 )\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(20.09336180\)
\(L(\frac12)\) \(\approx\) \(20.09336180\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 - 4 T^{2} + 38 p^{2} T^{4} - 4 p^{4} T^{6} + p^{8} T^{8} \)
good3 \( ( 1 - 4 T^{2} - 2 p^{2} T^{4} - 4 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
5 \( ( 1 - 52 T^{2} + 1742 T^{4} - 52 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
11 \( ( 1 + 236 T^{2} + 31430 T^{4} + 236 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
13 \( ( 1 - 36 p T^{2} + 102862 T^{4} - 36 p^{5} T^{6} + p^{8} T^{8} )^{2} \)
17 \( ( 1 - 4 T^{2} + 155270 T^{4} - 4 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
19 \( ( 1 - 1188 T^{2} + 613294 T^{4} - 1188 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
23 \( ( 1 + 1676 T^{2} + 1214822 T^{4} + 1676 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
29 \( ( 1 - 28 T + 1142 T^{2} - 28 p^{2} T^{3} + p^{4} T^{4} )^{4} \)
31 \( ( 1 - 2180 T^{2} + 2458118 T^{4} - 2180 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
37 \( ( 1 + 52 T + 2678 T^{2} + 52 p^{2} T^{3} + p^{4} T^{4} )^{4} \)
41 \( ( 1 - 4868 T^{2} + 10725062 T^{4} - 4868 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
43 \( ( 1 + 2540 T^{2} + 7272902 T^{4} + 2540 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
47 \( ( 1 - 6788 T^{2} + 21266822 T^{4} - 6788 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
53 \( ( 1 - 30 T + p^{2} T^{2} )^{8} \)
59 \( ( 1 - 4580 T^{2} + 29037038 T^{4} - 4580 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
61 \( ( 1 - 4212 T^{2} + 3996814 T^{4} - 4212 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
67 \( ( 1 + 8150 T^{2} + p^{4} T^{4} )^{4} \)
71 \( ( 1 + 11964 T^{2} + 70047686 T^{4} + 11964 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
73 \( ( 1 - 8388 T^{2} + 67882822 T^{4} - 8388 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
79 \( ( 1 - 1028 T^{2} + 37863942 T^{4} - 1028 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
83 \( ( 1 - 8132 T^{2} + 106317422 T^{4} - 8132 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
89 \( ( 1 - 30916 T^{2} + 364289990 T^{4} - 30916 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
97 \( ( 1 - 19204 T^{2} + 268303110 T^{4} - 19204 p^{4} T^{6} + p^{8} T^{8} )^{2} \)
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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

−4.71664336950341982886961754340, −4.61266215396720601723518585367, −4.47457097411464470465854651849, −4.21460578209618555530799735897, −4.12218479482438654444026324752, −3.76730826423391282411168820318, −3.74933764164083268151851285461, −3.63607460104509761848056084906, −3.58073443980855305138723091982, −3.14545883813259510549431807322, −3.09498573371229128613998896116, −3.09063356594634539198035096771, −2.75180132977316826928167585303, −2.61121509677837890644900077459, −2.56279088805458355110054179458, −2.42512572653450738557814564749, −1.91906023409882922214957639818, −1.86630804721481802246516301696, −1.67140672544115934542138631581, −1.41309078315179452410358457763, −1.36325695417813051180722616317, −0.816921724682102397314624067953, −0.71000803673743955149061749778, −0.57831500456113735993924844069, −0.50169817016792925087487846483, 0.50169817016792925087487846483, 0.57831500456113735993924844069, 0.71000803673743955149061749778, 0.816921724682102397314624067953, 1.36325695417813051180722616317, 1.41309078315179452410358457763, 1.67140672544115934542138631581, 1.86630804721481802246516301696, 1.91906023409882922214957639818, 2.42512572653450738557814564749, 2.56279088805458355110054179458, 2.61121509677837890644900077459, 2.75180132977316826928167585303, 3.09063356594634539198035096771, 3.09498573371229128613998896116, 3.14545883813259510549431807322, 3.58073443980855305138723091982, 3.63607460104509761848056084906, 3.74933764164083268151851285461, 3.76730826423391282411168820318, 4.12218479482438654444026324752, 4.21460578209618555530799735897, 4.47457097411464470465854651849, 4.61266215396720601723518585367, 4.71664336950341982886961754340

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

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