Properties

Label 16-260e8-1.1-c1e8-0-0
Degree $16$
Conductor $2.088\times 10^{19}$
Sign $1$
Analytic cond. $345.146$
Root an. cond. $1.44087$
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  − 16·13-s + 7·16-s − 8·17-s + 16·53-s − 48·61-s − 36·81-s + 112·101-s − 72·113-s − 64·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s + 128·169-s + 173-s + 179-s + 181-s + 191-s + 193-s + 197-s + 199-s − 112·208-s + ⋯
L(s)  = 1  − 4.43·13-s + 7/4·16-s − 1.94·17-s + 2.19·53-s − 6.14·61-s − 4·81-s + 11.1·101-s − 6.77·113-s − 5.81·121-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 + 0.0783·163-s + 0.0773·167-s + 9.84·169-s + 0.0760·173-s + 0.0747·179-s + 0.0743·181-s + 0.0723·191-s + 0.0719·193-s + 0.0712·197-s + 0.0708·199-s − 7.76·208-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{16} \cdot 5^{8} \cdot 13^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(2-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{16} \cdot 5^{8} \cdot 13^{8}\right)^{s/2} \, \Gamma_{\C}(s+1/2)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(2^{16} \cdot 5^{8} \cdot 13^{8}\)
Sign: $1$
Analytic conductor: \(345.146\)
Root analytic conductor: \(1.44087\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 2^{16} \cdot 5^{8} \cdot 13^{8} ,\ ( \ : [1/2]^{8} ),\ 1 )\)

Particular Values

\(L(1)\) \(\approx\) \(0.7108519732\)
\(L(\frac12)\) \(\approx\) \(0.7108519732\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - 7 T^{4} + p^{4} T^{8} \)
5 \( ( 1 + p^{2} T^{4} )^{2} \)
13 \( ( 1 + 8 T + 32 T^{2} + 8 p T^{3} + p^{2} T^{4} )^{2} \)
good3 \( ( 1 + p^{2} T^{4} )^{4} \)
7 \( ( 1 - 94 T^{4} + p^{4} T^{8} )^{2} \)
11 \( ( 1 + 16 T^{2} + p^{2} T^{4} )^{4} \)
17 \( ( 1 + 2 T + 2 T^{2} + 2 p T^{3} + p^{2} T^{4} )^{4} \)
19 \( ( 1 - 32 T^{2} + p^{2} T^{4} )^{4} \)
23 \( ( 1 - 802 T^{4} + p^{4} T^{8} )^{2} \)
29 \( ( 1 - 54 T^{2} + p^{2} T^{4} )^{4} \)
31 \( ( 1 - 34 T^{2} + p^{2} T^{4} )^{4} \)
37 \( ( 1 - 2702 T^{4} + p^{4} T^{8} )^{2} \)
41 \( ( 1 - 42 T^{2} + p^{2} T^{4} )^{4} \)
43 \( ( 1 - 2542 T^{4} + p^{4} T^{8} )^{2} \)
47 \( ( 1 + 2306 T^{4} + p^{4} T^{8} )^{2} \)
53 \( ( 1 - 4 T + 8 T^{2} - 4 p T^{3} + p^{2} T^{4} )^{4} \)
59 \( ( 1 - 64 T^{2} + p^{2} T^{4} )^{4} \)
61 \( ( 1 + 6 T + p T^{2} )^{8} \)
67 \( ( 1 + 5906 T^{4} + p^{4} T^{8} )^{2} \)
71 \( ( 1 + 118 T^{2} + p^{2} T^{4} )^{4} \)
73 \( ( 1 + 5218 T^{4} + p^{4} T^{8} )^{2} \)
79 \( ( 1 + 98 T^{2} + p^{2} T^{4} )^{4} \)
83 \( ( 1 + 146 T^{4} + p^{4} T^{8} )^{2} \)
89 \( ( 1 + 18 T^{2} + p^{2} T^{4} )^{4} \)
97 \( ( 1 + 11458 T^{4} + p^{4} T^{8} )^{2} \)
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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

−5.41244736634111049401996388134, −5.31274471540725928290364530209, −5.22677961236133929375591998199, −4.85791199641906049639367483052, −4.63519344470472726779828732929, −4.63293773334837399421387742549, −4.60151023960271146503900323452, −4.38704614279648199788569428496, −4.38676027525123866439003553849, −4.05977718088841325333421298362, −3.82791747069429316225903917768, −3.64443011260866052772093449721, −3.54996255205624054556078189226, −3.06272147379643403282507543331, −2.93865623041988867122046125664, −2.91026128516531628028517714482, −2.84655685631853651544109379918, −2.60328408124032007000203627933, −2.23800383597365298541901517961, −2.17551574265596023016345934681, −1.82956780279165619432200251846, −1.59227403407412329797455187407, −1.54820177126435894202870823023, −0.71171634099338401619364074715, −0.30605336804112161333234131524, 0.30605336804112161333234131524, 0.71171634099338401619364074715, 1.54820177126435894202870823023, 1.59227403407412329797455187407, 1.82956780279165619432200251846, 2.17551574265596023016345934681, 2.23800383597365298541901517961, 2.60328408124032007000203627933, 2.84655685631853651544109379918, 2.91026128516531628028517714482, 2.93865623041988867122046125664, 3.06272147379643403282507543331, 3.54996255205624054556078189226, 3.64443011260866052772093449721, 3.82791747069429316225903917768, 4.05977718088841325333421298362, 4.38676027525123866439003553849, 4.38704614279648199788569428496, 4.60151023960271146503900323452, 4.63293773334837399421387742549, 4.63519344470472726779828732929, 4.85791199641906049639367483052, 5.22677961236133929375591998199, 5.31274471540725928290364530209, 5.41244736634111049401996388134

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

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