Properties

Label 16-40e16-1.1-c0e8-0-3
Degree $16$
Conductor $4.295\times 10^{25}$
Sign $1$
Analytic cond. $0.165278$
Root an. cond. $0.893590$
Motivic weight $0$
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  + 6·3-s + 21·9-s − 2·11-s − 6·17-s + 4·19-s + 25-s + 56·27-s − 12·33-s − 2·41-s − 8·43-s + 4·49-s − 36·51-s + 24·57-s − 2·67-s + 6·75-s + 126·81-s + 2·83-s − 4·97-s − 42·99-s + 4·107-s − 2·113-s + 3·121-s − 12·123-s + 127-s − 48·129-s + 131-s + 137-s + ⋯
L(s)  = 1  + 6·3-s + 21·9-s − 2·11-s − 6·17-s + 4·19-s + 25-s + 56·27-s − 12·33-s − 2·41-s − 8·43-s + 4·49-s − 36·51-s + 24·57-s − 2·67-s + 6·75-s + 126·81-s + 2·83-s − 4·97-s − 42·99-s + 4·107-s − 2·113-s + 3·121-s − 12·123-s + 127-s − 48·129-s + 131-s + 137-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{48} \cdot 5^{16}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{48} \cdot 5^{16}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(2^{48} \cdot 5^{16}\)
Sign: $1$
Analytic conductor: \(0.165278\)
Root analytic conductor: \(0.893590\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 2^{48} \cdot 5^{16} ,\ ( \ : [0]^{8} ),\ 1 )\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(12.73992249\)
\(L(\frac12)\) \(\approx\) \(12.73992249\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - T^{2} + T^{4} - T^{6} + T^{8} \)
good3 \( ( 1 - T )^{8}( 1 + T + T^{2} + T^{3} + T^{4} )^{2} \)
7 \( ( 1 - T^{2} + T^{4} )^{4} \)
11 \( ( 1 + T - T^{3} - T^{4} - T^{5} + T^{7} + T^{8} )^{2} \)
13 \( 1 + T^{2} - T^{6} - T^{8} - T^{10} + T^{14} + T^{16} \)
17 \( ( 1 + T )^{8}( 1 - T + T^{2} - T^{3} + T^{4} )^{2} \)
19 \( ( 1 - T + T^{2} - T^{3} + T^{4} )^{4} \)
23 \( 1 + T^{2} - T^{6} - T^{8} - T^{10} + T^{14} + T^{16} \)
29 \( 1 + T^{2} - T^{6} - T^{8} - T^{10} + T^{14} + T^{16} \)
31 \( 1 + T^{2} - T^{6} - T^{8} - T^{10} + T^{14} + T^{16} \)
37 \( ( 1 + T^{2} )^{4}( 1 - T^{2} + T^{4} - T^{6} + T^{8} ) \)
41 \( ( 1 + T - T^{3} - T^{4} - T^{5} + T^{7} + T^{8} )^{2} \)
43 \( ( 1 + T + T^{2} )^{8} \)
47 \( 1 + T^{2} - T^{6} - T^{8} - T^{10} + T^{14} + T^{16} \)
53 \( ( 1 - T + T^{2} - T^{3} + T^{4} )^{2}( 1 + T + T^{2} + T^{3} + T^{4} )^{2} \)
59 \( ( 1 - T^{2} + T^{4} - T^{6} + T^{8} )^{2} \)
61 \( ( 1 - T^{2} + T^{4} - T^{6} + T^{8} )^{2} \)
67 \( ( 1 + T - T^{3} - T^{4} - T^{5} + T^{7} + T^{8} )^{2} \)
71 \( 1 + T^{2} - T^{6} - T^{8} - T^{10} + T^{14} + T^{16} \)
73 \( ( 1 - T^{2} + T^{4} - T^{6} + T^{8} )^{2} \)
79 \( ( 1 - T + T^{2} - T^{3} + T^{4} )^{2}( 1 + T + T^{2} + T^{3} + T^{4} )^{2} \)
83 \( ( 1 - T + T^{3} - T^{4} + T^{5} - T^{7} + T^{8} )^{2} \)
89 \( ( 1 - T^{2} + T^{4} - T^{6} + T^{8} )^{2} \)
97 \( ( 1 + T + T^{2} + T^{3} + T^{4} )^{4} \)
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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

−4.07533061721839503246788145211, −3.78130870919699588966202629136, −3.78026945593509392405392727301, −3.72567002901169173172690439621, −3.70077766951106518706165218665, −3.49302110174771449763827792115, −3.44072190004143317947859809484, −3.40748246258609209332808353975, −3.08708747189423826347610553239, −2.99870716620426868469770204119, −2.86690673448392636947303102821, −2.78407815483222289425974616803, −2.68896384230871911619396135975, −2.59021186282743696511813370249, −2.46049345173612335336974572945, −2.29241112556012279011613663510, −2.22609653196111025837970414060, −2.07990678878757648559283531012, −1.90223674138987521859474340529, −1.63573677018300844177800003656, −1.62156375519937490333112924818, −1.51759610574786977608539274289, −1.34079449661293068961215765629, −1.18415819880667281241119596464, −0.70612389567034749941737344533, 0.70612389567034749941737344533, 1.18415819880667281241119596464, 1.34079449661293068961215765629, 1.51759610574786977608539274289, 1.62156375519937490333112924818, 1.63573677018300844177800003656, 1.90223674138987521859474340529, 2.07990678878757648559283531012, 2.22609653196111025837970414060, 2.29241112556012279011613663510, 2.46049345173612335336974572945, 2.59021186282743696511813370249, 2.68896384230871911619396135975, 2.78407815483222289425974616803, 2.86690673448392636947303102821, 2.99870716620426868469770204119, 3.08708747189423826347610553239, 3.40748246258609209332808353975, 3.44072190004143317947859809484, 3.49302110174771449763827792115, 3.70077766951106518706165218665, 3.72567002901169173172690439621, 3.78026945593509392405392727301, 3.78130870919699588966202629136, 4.07533061721839503246788145211

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

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