Properties

Label 16-1280e8-1.1-c1e8-0-2
Degree $16$
Conductor $7.206\times 10^{24}$
Sign $1$
Analytic cond. $1.19095\times 10^{8}$
Root an. cond. $3.19700$
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  − 4·7-s + 24·17-s + 12·23-s + 24·41-s + 12·47-s + 8·49-s + 32·73-s − 96·79-s − 8·81-s − 32·97-s + 28·103-s − 96·119-s + 48·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s − 48·161-s + 163-s + 167-s + 173-s + 179-s + 181-s + 191-s + ⋯
L(s)  = 1  − 1.51·7-s + 5.82·17-s + 2.50·23-s + 3.74·41-s + 1.75·47-s + 8/7·49-s + 3.74·73-s − 10.8·79-s − 8/9·81-s − 3.24·97-s + 2.75·103-s − 8.80·119-s + 4.36·121-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 − 3.78·161-s + 0.0783·163-s + 0.0773·167-s + 0.0760·173-s + 0.0747·179-s + 0.0743·181-s + 0.0723·191-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{64} \cdot 5^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(2-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{64} \cdot 5^{8}\right)^{s/2} \, \Gamma_{\C}(s+1/2)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(2^{64} \cdot 5^{8}\)
Sign: $1$
Analytic conductor: \(1.19095\times 10^{8}\)
Root analytic conductor: \(3.19700\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 2^{64} \cdot 5^{8} ,\ ( \ : [1/2]^{8} ),\ 1 )\)

Particular Values

\(L(1)\) \(\approx\) \(1.933754034\)
\(L(\frac12)\) \(\approx\) \(1.933754034\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - 34 T^{4} + p^{4} T^{8} \)
good3 \( 1 + 8 T^{4} + 94 T^{8} + 8 p^{4} T^{12} + p^{8} T^{16} \)
7 \( ( 1 + 2 T + 2 T^{2} - 6 T^{3} - 82 T^{4} - 6 p T^{5} + 2 p^{2} T^{6} + 2 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
11 \( ( 1 - 24 T^{2} + 302 T^{4} - 24 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
13 \( ( 1 + 62 T^{4} + p^{4} T^{8} )^{2} \)
17 \( ( 1 - 8 T + p T^{2} )^{4}( 1 + 2 T + p T^{2} )^{4} \)
19 \( ( 1 + 26 T^{2} + p^{2} T^{4} )^{4} \)
23 \( ( 1 - 6 T + 18 T^{2} - 102 T^{3} + 542 T^{4} - 102 p T^{5} + 18 p^{2} T^{6} - 6 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
29 \( ( 1 - 30 T^{2} + p^{2} T^{4} )^{4} \)
31 \( ( 1 - 64 T^{2} + 2190 T^{4} - 64 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
37 \( ( 1 - 2338 T^{4} + p^{4} T^{8} )^{2} \)
41 \( ( 1 - 6 T + 70 T^{2} - 6 p T^{3} + p^{2} T^{4} )^{4} \)
43 \( 1 + 2632 T^{4} + 3107358 T^{8} + 2632 p^{4} T^{12} + p^{8} T^{16} \)
47 \( ( 1 - 6 T + 18 T^{2} - 246 T^{3} + 3326 T^{4} - 246 p T^{5} + 18 p^{2} T^{6} - 6 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
53 \( ( 1 + 2846 T^{4} + p^{4} T^{8} )^{2} \)
59 \( ( 1 + 90 T^{2} + p^{2} T^{4} )^{4} \)
61 \( ( 1 + 112 T^{2} + 9822 T^{4} + 112 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
67 \( 1 - 56 T^{4} - 39549474 T^{8} - 56 p^{4} T^{12} + p^{8} T^{16} \)
71 \( ( 1 - 80 T^{2} + 4878 T^{4} - 80 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
73 \( ( 1 - 16 T + 128 T^{2} - 1008 T^{3} + 7838 T^{4} - 1008 p T^{5} + 128 p^{2} T^{6} - 16 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
79 \( ( 1 + 12 T + p T^{2} )^{8} \)
83 \( 1 + 8200 T^{4} + 98353758 T^{8} + 8200 p^{4} T^{12} + p^{8} T^{16} \)
89 \( ( 1 - 116 T^{2} + 7110 T^{4} - 116 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
97 \( ( 1 + 16 T + 128 T^{2} + 1392 T^{3} + 15038 T^{4} + 1392 p T^{5} + 128 p^{2} T^{6} + 16 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
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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

−4.06976475420929199685616595702, −3.96169076421326649443595374970, −3.82964992408798899629724745625, −3.81458870462094161053880747338, −3.64973315563314890300865915358, −3.36559306393131825937531644653, −3.18301493576272530702818587033, −3.15170224225844111490111025225, −3.12672718798692322655040835809, −2.89419499199611230187226299300, −2.88900741875531642491218896892, −2.71555211052575379549109709256, −2.69029636376028250751587944539, −2.52538297335098920023651730146, −2.27759991576514638845229845020, −2.11995580734854368621407193244, −1.71644503586669524456608904952, −1.61747445952839650692660786368, −1.46695915652241174708754803727, −1.16776725484021467645366660162, −1.11590175690007934083829232244, −1.03865617724658463972009393088, −0.77721436915355036961649964790, −0.72526471791695536047133783061, −0.12196649610526455167181412303, 0.12196649610526455167181412303, 0.72526471791695536047133783061, 0.77721436915355036961649964790, 1.03865617724658463972009393088, 1.11590175690007934083829232244, 1.16776725484021467645366660162, 1.46695915652241174708754803727, 1.61747445952839650692660786368, 1.71644503586669524456608904952, 2.11995580734854368621407193244, 2.27759991576514638845229845020, 2.52538297335098920023651730146, 2.69029636376028250751587944539, 2.71555211052575379549109709256, 2.88900741875531642491218896892, 2.89419499199611230187226299300, 3.12672718798692322655040835809, 3.15170224225844111490111025225, 3.18301493576272530702818587033, 3.36559306393131825937531644653, 3.64973315563314890300865915358, 3.81458870462094161053880747338, 3.82964992408798899629724745625, 3.96169076421326649443595374970, 4.06976475420929199685616595702

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

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