Properties

Label 16-2880e8-1.1-c1e8-0-10
Degree $16$
Conductor $4.733\times 10^{27}$
Sign $1$
Analytic cond. $7.82270\times 10^{10}$
Root an. cond. $4.79550$
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  + 4·25-s + 16·49-s + 16·61-s + 16·109-s − 64·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s + 80·169-s + 173-s + 179-s + 181-s + 191-s + 193-s + 197-s + 199-s + 211-s + 223-s + 227-s + 229-s + 233-s + ⋯
L(s)  = 1  + 4/5·25-s + 16/7·49-s + 2.04·61-s + 1.53·109-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 + 6.15·169-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 + 0.0688·211-s + 0.0669·223-s + 0.0663·227-s + 0.0660·229-s + 0.0655·233-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{48} \cdot 3^{16} \cdot 5^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(2-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{48} \cdot 3^{16} \cdot 5^{8}\right)^{s/2} \, \Gamma_{\C}(s+1/2)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(2^{48} \cdot 3^{16} \cdot 5^{8}\)
Sign: $1$
Analytic conductor: \(7.82270\times 10^{10}\)
Root analytic conductor: \(4.79550\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 2^{48} \cdot 3^{16} \cdot 5^{8} ,\ ( \ : [1/2]^{8} ),\ 1 )\)

Particular Values

\(L(1)\) \(\approx\) \(2.799908713\)
\(L(\frac12)\) \(\approx\) \(2.799908713\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
5 \( ( 1 - 2 T^{2} + p^{2} T^{4} )^{2} \)
good7 \( ( 1 - 4 T^{2} + p^{2} T^{4} )^{4} \)
11 \( ( 1 + 16 T^{2} + p^{2} T^{4} )^{4} \)
13 \( ( 1 - 20 T^{2} + p^{2} T^{4} )^{4} \)
17 \( ( 1 - 14 T^{2} + p^{2} T^{4} )^{4} \)
19 \( ( 1 + 10 T^{2} + p^{2} T^{4} )^{4} \)
23 \( ( 1 - 10 T^{2} + p^{2} T^{4} )^{4} \)
29 \( ( 1 - 50 T^{2} + p^{2} T^{4} )^{4} \)
31 \( ( 1 - 50 T^{2} + p^{2} T^{4} )^{4} \)
37 \( ( 1 - 68 T^{2} + p^{2} T^{4} )^{4} \)
41 \( ( 1 - 32 T^{2} + p^{2} T^{4} )^{4} \)
43 \( ( 1 + 14 T^{2} + p^{2} T^{4} )^{4} \)
47 \( ( 1 - p T^{2} )^{8} \)
53 \( ( 1 + p T^{2} )^{8} \)
59 \( ( 1 - 32 T^{2} + p^{2} T^{4} )^{4} \)
61 \( ( 1 - 2 T + p T^{2} )^{8} \)
67 \( ( 1 + p T^{2} )^{8} \)
71 \( ( 1 + 46 T^{2} + p^{2} T^{4} )^{4} \)
73 \( ( 1 - 122 T^{2} + p^{2} T^{4} )^{4} \)
79 \( ( 1 - 50 T^{2} + p^{2} T^{4} )^{4} \)
83 \( ( 1 - 22 T^{2} + p^{2} T^{4} )^{4} \)
89 \( ( 1 - 128 T^{2} + p^{2} T^{4} )^{4} \)
97 \( ( 1 + 22 T^{2} + p^{2} T^{4} )^{4} \)
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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

−3.74085664139760024224437962530, −3.50898221169824766182126800332, −3.30896075098848865546844955685, −3.11829462171938108531380550501, −3.06226194867756057401765268584, −3.04327326930013401793778065992, −3.04172708649602244484488712535, −2.99339865455116542788334488847, −2.64579753261378573513404106629, −2.58022570843821904992918452196, −2.46050063143127897782753690368, −2.15345968698440373248261369059, −2.07569507470788890516003616365, −2.05811285531847110294435860478, −1.96096036087451722990762698319, −1.93658894330022312931645099829, −1.64718594128255049594050552311, −1.26741593950734141883962317805, −1.23729459403020196778518069708, −1.23250837053924739108077370764, −0.842608980815016461705961192752, −0.790762929631313492287406140967, −0.75861915184940834965947655636, −0.34690760557934445915663844958, −0.13822761797608785625732089284, 0.13822761797608785625732089284, 0.34690760557934445915663844958, 0.75861915184940834965947655636, 0.790762929631313492287406140967, 0.842608980815016461705961192752, 1.23250837053924739108077370764, 1.23729459403020196778518069708, 1.26741593950734141883962317805, 1.64718594128255049594050552311, 1.93658894330022312931645099829, 1.96096036087451722990762698319, 2.05811285531847110294435860478, 2.07569507470788890516003616365, 2.15345968698440373248261369059, 2.46050063143127897782753690368, 2.58022570843821904992918452196, 2.64579753261378573513404106629, 2.99339865455116542788334488847, 3.04172708649602244484488712535, 3.04327326930013401793778065992, 3.06226194867756057401765268584, 3.11829462171938108531380550501, 3.30896075098848865546844955685, 3.50898221169824766182126800332, 3.74085664139760024224437962530

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

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