Properties

Label 16-420e8-1.1-c1e8-0-4
Degree $16$
Conductor $9.683\times 10^{20}$
Sign $1$
Analytic cond. $16003.3$
Root an. cond. $1.83131$
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  − 2·3-s + 4-s − 8·5-s − 8·7-s + 2·8-s + 3·9-s + 4·11-s − 2·12-s + 16·15-s − 16-s + 4·17-s − 8·20-s + 16·21-s − 4·24-s + 20·25-s − 6·27-s − 8·28-s + 8·32-s − 8·33-s + 64·35-s + 3·36-s − 16·40-s + 8·43-s + 4·44-s − 24·45-s + 2·48-s + 36·49-s + ⋯
L(s)  = 1  − 1.15·3-s + 1/2·4-s − 3.57·5-s − 3.02·7-s + 0.707·8-s + 9-s + 1.20·11-s − 0.577·12-s + 4.13·15-s − 1/4·16-s + 0.970·17-s − 1.78·20-s + 3.49·21-s − 0.816·24-s + 4·25-s − 1.15·27-s − 1.51·28-s + 1.41·32-s − 1.39·33-s + 10.8·35-s + 1/2·36-s − 2.52·40-s + 1.21·43-s + 0.603·44-s − 3.57·45-s + 0.288·48-s + 36/7·49-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{16} \cdot 3^{8} \cdot 5^{8} \cdot 7^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(2-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{16} \cdot 3^{8} \cdot 5^{8} \cdot 7^{8}\right)^{s/2} \, \Gamma_{\C}(s+1/2)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(2^{16} \cdot 3^{8} \cdot 5^{8} \cdot 7^{8}\)
Sign: $1$
Analytic conductor: \(16003.3\)
Root analytic conductor: \(1.83131\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 2^{16} \cdot 3^{8} \cdot 5^{8} \cdot 7^{8} ,\ ( \ : [1/2]^{8} ),\ 1 )\)

Particular Values

\(L(1)\) \(\approx\) \(0.3419852817\)
\(L(\frac12)\) \(\approx\) \(0.3419852817\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T^{2} - p T^{3} + p T^{4} - p^{2} T^{5} - p^{2} T^{6} + p^{4} T^{8} \)
3 \( 1 + 2 T + T^{2} + 2 T^{3} + 4 T^{4} + 2 p T^{5} + p^{2} T^{6} + 2 p^{3} T^{7} + p^{4} T^{8} \)
5 \( ( 1 + 2 T + p T^{2} )^{4} \)
7 \( ( 1 + T )^{8} \)
good11 \( ( 1 - 2 T + 3 p T^{2} - 50 T^{3} + 500 T^{4} - 50 p T^{5} + 3 p^{3} T^{6} - 2 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
13 \( 1 - 34 T^{2} + 593 T^{4} - 8610 T^{6} + 122100 T^{8} - 8610 p^{2} T^{10} + 593 p^{4} T^{12} - 34 p^{6} T^{14} + p^{8} T^{16} \)
17 \( ( 1 - 2 T + 33 T^{2} - 50 T^{3} + 644 T^{4} - 50 p T^{5} + 33 p^{2} T^{6} - 2 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
19 \( 1 - 64 T^{2} + 1180 T^{4} + 10560 T^{6} - 634906 T^{8} + 10560 p^{2} T^{10} + 1180 p^{4} T^{12} - 64 p^{6} T^{14} + p^{8} T^{16} \)
23 \( 1 - 88 T^{2} + 4220 T^{4} - 145000 T^{6} + 3793350 T^{8} - 145000 p^{2} T^{10} + 4220 p^{4} T^{12} - 88 p^{6} T^{14} + p^{8} T^{16} \)
29 \( 1 - 162 T^{2} + 12689 T^{4} - 630306 T^{6} + 21708724 T^{8} - 630306 p^{2} T^{10} + 12689 p^{4} T^{12} - 162 p^{6} T^{14} + p^{8} T^{16} \)
31 \( 1 - 56 T^{2} + 2684 T^{4} - 115208 T^{6} + 3486342 T^{8} - 115208 p^{2} T^{10} + 2684 p^{4} T^{12} - 56 p^{6} T^{14} + p^{8} T^{16} \)
37 \( 1 - 160 T^{2} + 12124 T^{4} - 608352 T^{6} + 24287270 T^{8} - 608352 p^{2} T^{10} + 12124 p^{4} T^{12} - 160 p^{6} T^{14} + p^{8} T^{16} \)
41 \( 1 - 224 T^{2} + 24956 T^{4} - 1767712 T^{6} + 86340934 T^{8} - 1767712 p^{2} T^{10} + 24956 p^{4} T^{12} - 224 p^{6} T^{14} + p^{8} T^{16} \)
43 \( ( 1 - 4 T + 116 T^{2} - 324 T^{3} + 6150 T^{4} - 324 p T^{5} + 116 p^{2} T^{6} - 4 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
47 \( 1 - 354 T^{2} + 55793 T^{4} - 5112098 T^{6} + 297791076 T^{8} - 5112098 p^{2} T^{10} + 55793 p^{4} T^{12} - 354 p^{6} T^{14} + p^{8} T^{16} \)
53 \( ( 1 + 12 T^{2} + 256 T^{3} + 1046 T^{4} + 256 p T^{5} + 12 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
59 \( ( 1 - 4 T + 96 T^{2} + 444 T^{3} + 2126 T^{4} + 444 p T^{5} + 96 p^{2} T^{6} - 4 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
61 \( ( 1 + 8 T + 96 T^{2} + 232 T^{3} + 2958 T^{4} + 232 p T^{5} + 96 p^{2} T^{6} + 8 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
67 \( ( 1 - 12 T + 144 T^{2} - 300 T^{3} + 3470 T^{4} - 300 p T^{5} + 144 p^{2} T^{6} - 12 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
71 \( ( 1 + 8 T + p T^{2} )^{8} \)
73 \( ( 1 - 82 T^{2} + p^{2} T^{4} )^{4} \)
79 \( 1 - 130 T^{2} + 3089 T^{4} - 667586 T^{6} + 117965092 T^{8} - 667586 p^{2} T^{10} + 3089 p^{4} T^{12} - 130 p^{6} T^{14} + p^{8} T^{16} \)
83 \( 1 - 232 T^{2} + 25980 T^{4} - 1355288 T^{6} + 66491558 T^{8} - 1355288 p^{2} T^{10} + 25980 p^{4} T^{12} - 232 p^{6} T^{14} + p^{8} T^{16} \)
89 \( 1 - 360 T^{2} + 59996 T^{4} - 6261336 T^{6} + 552707974 T^{8} - 6261336 p^{2} T^{10} + 59996 p^{4} T^{12} - 360 p^{6} T^{14} + p^{8} T^{16} \)
97 \( 1 - 82 T^{2} - 11855 T^{4} - 200178 T^{6} + 251318948 T^{8} - 200178 p^{2} T^{10} - 11855 p^{4} T^{12} - 82 p^{6} T^{14} + p^{8} T^{16} \)
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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

−5.24365353415032686767467780903, −4.53663433871063243724362132352, −4.40844069502692363255076583349, −4.28478793208374804507681255496, −4.24257211111453602614894482533, −4.17519326988954666241878686399, −4.13380584713454400541243715566, −4.07547402493075712039532469614, −4.01763484551170399645554112469, −3.55554342914405157338340432766, −3.54239195569260848176323692745, −3.34838061604202929763243347100, −3.14714130383611342790249976817, −3.11702743305620546057584230185, −2.89158536236694083959683998723, −2.67864760959962532380093808326, −2.53657438161008833314304615813, −2.49528189785258032153258981217, −1.84073437792758559272394165691, −1.63938464624903037342612120519, −1.48109261012891554772406711357, −1.36795601593671980633127721918, −0.68223869548852653106588613382, −0.47369387241390498603960968426, −0.31899996806871618853256286552, 0.31899996806871618853256286552, 0.47369387241390498603960968426, 0.68223869548852653106588613382, 1.36795601593671980633127721918, 1.48109261012891554772406711357, 1.63938464624903037342612120519, 1.84073437792758559272394165691, 2.49528189785258032153258981217, 2.53657438161008833314304615813, 2.67864760959962532380093808326, 2.89158536236694083959683998723, 3.11702743305620546057584230185, 3.14714130383611342790249976817, 3.34838061604202929763243347100, 3.54239195569260848176323692745, 3.55554342914405157338340432766, 4.01763484551170399645554112469, 4.07547402493075712039532469614, 4.13380584713454400541243715566, 4.17519326988954666241878686399, 4.24257211111453602614894482533, 4.28478793208374804507681255496, 4.40844069502692363255076583349, 4.53663433871063243724362132352, 5.24365353415032686767467780903

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

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