Properties

Label 16-448e8-1.1-c2e8-0-1
Degree $16$
Conductor $1.623\times 10^{21}$
Sign $1$
Analytic cond. $4.93065\times 10^{8}$
Root an. cond. $3.49386$
Motivic weight $2$
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 − 8·9-s − 4·11-s − 24·17-s + 84·19-s − 48·23-s − 38·25-s + 104·29-s + 156·31-s − 68·37-s − 160·43-s − 108·47-s − 32·49-s + 28·53-s − 120·59-s − 252·61-s + 32·63-s + 56·67-s − 208·71-s − 156·73-s + 16·77-s − 160·79-s + 101·81-s + 204·89-s + 32·99-s − 96·101-s − 24·103-s + ⋯
L(s)  = 1  − 4/7·7-s − 8/9·9-s − 0.363·11-s − 1.41·17-s + 4.42·19-s − 2.08·23-s − 1.51·25-s + 3.58·29-s + 5.03·31-s − 1.83·37-s − 3.72·43-s − 2.29·47-s − 0.653·49-s + 0.528·53-s − 2.03·59-s − 4.13·61-s + 0.507·63-s + 0.835·67-s − 2.92·71-s − 2.13·73-s + 0.207·77-s − 2.02·79-s + 1.24·81-s + 2.29·89-s + 0.323·99-s − 0.950·101-s − 0.233·103-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{48} \cdot 7^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(3-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{48} \cdot 7^{8}\right)^{s/2} \, \Gamma_{\C}(s+1)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(2^{48} \cdot 7^{8}\)
Sign: $1$
Analytic conductor: \(4.93065\times 10^{8}\)
Root analytic conductor: \(3.49386\)
Motivic weight: \(2\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 2^{48} \cdot 7^{8} ,\ ( \ : [1]^{8} ),\ 1 )\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.6278176501\)
\(L(\frac12)\) \(\approx\) \(0.6278176501\)
\(L(2)\) 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 \( 1 + 4 T + 48 T^{2} + 332 T^{3} + 722 p T^{4} + 332 p^{2} T^{5} + 48 p^{4} T^{6} + 4 p^{6} T^{7} + p^{8} T^{8} \)
good3 \( 1 + 8 T^{2} - 37 T^{4} - 4 p T^{5} - 440 T^{6} + 404 p T^{7} - 1112 T^{8} + 404 p^{3} T^{9} - 440 p^{4} T^{10} - 4 p^{7} T^{11} - 37 p^{8} T^{12} + 8 p^{12} T^{14} + p^{16} T^{16} \)
5 \( 1 + 38 T^{2} + 441 T^{4} + 624 T^{5} - 8618 T^{6} + 48144 T^{7} - 267916 T^{8} + 48144 p^{2} T^{9} - 8618 p^{4} T^{10} + 624 p^{6} T^{11} + 441 p^{8} T^{12} + 38 p^{12} T^{14} + p^{16} T^{16} \)
11 \( 1 + 4 T - 200 T^{2} - 392 p T^{3} + 1225 p T^{4} + 62684 p T^{5} + 6839000 T^{6} - 56462416 T^{7} - 1130023208 T^{8} - 56462416 p^{2} T^{9} + 6839000 p^{4} T^{10} + 62684 p^{7} T^{11} + 1225 p^{9} T^{12} - 392 p^{11} T^{13} - 200 p^{12} T^{14} + 4 p^{14} T^{15} + p^{16} T^{16} \)
13 \( 1 - 640 T^{2} + 235068 T^{4} - 4641152 p T^{6} + 11718042566 T^{8} - 4641152 p^{5} T^{10} + 235068 p^{8} T^{12} - 640 p^{12} T^{14} + p^{16} T^{16} \)
17 \( 1 + 24 T + 990 T^{2} + 19152 T^{3} + 27009 p T^{4} + 9113136 T^{5} + 188222142 T^{6} + 3566193384 T^{7} + 64414768676 T^{8} + 3566193384 p^{2} T^{9} + 188222142 p^{4} T^{10} + 9113136 p^{6} T^{11} + 27009 p^{9} T^{12} + 19152 p^{10} T^{13} + 990 p^{12} T^{14} + 24 p^{14} T^{15} + p^{16} T^{16} \)
19 \( 1 - 84 T + 4352 T^{2} - 168000 T^{3} + 5284203 T^{4} - 141943956 T^{5} + 3384825040 T^{6} - 72944180232 T^{7} + 1444176057608 T^{8} - 72944180232 p^{2} T^{9} + 3384825040 p^{4} T^{10} - 141943956 p^{6} T^{11} + 5284203 p^{8} T^{12} - 168000 p^{10} T^{13} + 4352 p^{12} T^{14} - 84 p^{14} T^{15} + p^{16} T^{16} \)
23 \( 1 + 48 T - 576 T^{2} - 23016 T^{3} + 1930675 T^{4} + 35477076 T^{5} - 1116060912 T^{6} + 1166650260 T^{7} + 1061708855256 T^{8} + 1166650260 p^{2} T^{9} - 1116060912 p^{4} T^{10} + 35477076 p^{6} T^{11} + 1930675 p^{8} T^{12} - 23016 p^{10} T^{13} - 576 p^{12} T^{14} + 48 p^{14} T^{15} + p^{16} T^{16} \)
29 \( ( 1 - 52 T + 1680 T^{2} - 32444 T^{3} + 385694 T^{4} - 32444 p^{2} T^{5} + 1680 p^{4} T^{6} - 52 p^{6} T^{7} + p^{8} T^{8} )^{2} \)
31 \( 1 - 156 T + 13424 T^{2} - 828672 T^{3} + 40603131 T^{4} - 1696628940 T^{5} + 63304318432 T^{6} - 2173306236072 T^{7} + 69665997781640 T^{8} - 2173306236072 p^{2} T^{9} + 63304318432 p^{4} T^{10} - 1696628940 p^{6} T^{11} + 40603131 p^{8} T^{12} - 828672 p^{10} T^{13} + 13424 p^{12} T^{14} - 156 p^{14} T^{15} + p^{16} T^{16} \)
37 \( 1 + 68 T + 774 T^{2} - 6200 T^{3} + 537713 T^{4} - 4153032 T^{5} - 2518250 T^{6} - 54255996388 T^{7} - 5388431698620 T^{8} - 54255996388 p^{2} T^{9} - 2518250 p^{4} T^{10} - 4153032 p^{6} T^{11} + 537713 p^{8} T^{12} - 6200 p^{10} T^{13} + 774 p^{12} T^{14} + 68 p^{14} T^{15} + p^{16} T^{16} \)
41 \( 1 - 7680 T^{2} + 32658684 T^{4} - 90843217920 T^{6} + 180014993441414 T^{8} - 90843217920 p^{4} T^{10} + 32658684 p^{8} T^{12} - 7680 p^{12} T^{14} + p^{16} T^{16} \)
43 \( ( 1 + 80 T + 6004 T^{2} + 239120 T^{3} + 12298678 T^{4} + 239120 p^{2} T^{5} + 6004 p^{4} T^{6} + 80 p^{6} T^{7} + p^{8} T^{8} )^{2} \)
47 \( 1 + 108 T + 11624 T^{2} + 835488 T^{3} + 58240275 T^{4} + 3440424852 T^{5} + 189935197288 T^{6} + 9707415208272 T^{7} + 462352344677336 T^{8} + 9707415208272 p^{2} T^{9} + 189935197288 p^{4} T^{10} + 3440424852 p^{6} T^{11} + 58240275 p^{8} T^{12} + 835488 p^{10} T^{13} + 11624 p^{12} T^{14} + 108 p^{14} T^{15} + p^{16} T^{16} \)
53 \( 1 - 28 T - 5690 T^{2} + 127240 T^{3} + 12246641 T^{4} - 12533896 T^{5} - 50267298346 T^{6} - 350397212804 T^{7} + 217406608794820 T^{8} - 350397212804 p^{2} T^{9} - 50267298346 p^{4} T^{10} - 12533896 p^{6} T^{11} + 12246641 p^{8} T^{12} + 127240 p^{10} T^{13} - 5690 p^{12} T^{14} - 28 p^{14} T^{15} + p^{16} T^{16} \)
59 \( 1 + 120 T + 17968 T^{2} + 1580160 T^{3} + 153965443 T^{4} + 11645905140 T^{5} + 884355553312 T^{6} + 56964357475140 T^{7} + 3583093590199576 T^{8} + 56964357475140 p^{2} T^{9} + 884355553312 p^{4} T^{10} + 11645905140 p^{6} T^{11} + 153965443 p^{8} T^{12} + 1580160 p^{10} T^{13} + 17968 p^{12} T^{14} + 120 p^{14} T^{15} + p^{16} T^{16} \)
61 \( 1 + 252 T + 39190 T^{2} + 4541544 T^{3} + 432889153 T^{4} + 35854208712 T^{5} + 2659779396934 T^{6} + 181116202298292 T^{7} + 11432754845543908 T^{8} + 181116202298292 p^{2} T^{9} + 2659779396934 p^{4} T^{10} + 35854208712 p^{6} T^{11} + 432889153 p^{8} T^{12} + 4541544 p^{10} T^{13} + 39190 p^{12} T^{14} + 252 p^{14} T^{15} + p^{16} T^{16} \)
67 \( 1 - 56 T - 8216 T^{2} - 89656 T^{3} + 57861563 T^{4} + 1915242028 T^{5} - 169076337880 T^{6} - 5261680334092 T^{7} + 334184050069096 T^{8} - 5261680334092 p^{2} T^{9} - 169076337880 p^{4} T^{10} + 1915242028 p^{6} T^{11} + 57861563 p^{8} T^{12} - 89656 p^{10} T^{13} - 8216 p^{12} T^{14} - 56 p^{14} T^{15} + p^{16} T^{16} \)
71 \( ( 1 + 104 T + 20596 T^{2} + 1429880 T^{3} + 155212822 T^{4} + 1429880 p^{2} T^{5} + 20596 p^{4} T^{6} + 104 p^{6} T^{7} + p^{8} T^{8} )^{2} \)
73 \( 1 + 156 T + 28350 T^{2} + 3157128 T^{3} + 362705769 T^{4} + 30616526040 T^{5} + 2796887810814 T^{6} + 202276783979268 T^{7} + 16208192683154804 T^{8} + 202276783979268 p^{2} T^{9} + 2796887810814 p^{4} T^{10} + 30616526040 p^{6} T^{11} + 362705769 p^{8} T^{12} + 3157128 p^{10} T^{13} + 28350 p^{12} T^{14} + 156 p^{14} T^{15} + p^{16} T^{16} \)
79 \( 1 + 160 T - 368 T^{2} - 1779112 T^{3} - 46559293 T^{4} + 16787347924 T^{5} + 1470529925696 T^{6} - 30567104321884 T^{7} - 9673348948274312 T^{8} - 30567104321884 p^{2} T^{9} + 1470529925696 p^{4} T^{10} + 16787347924 p^{6} T^{11} - 46559293 p^{8} T^{12} - 1779112 p^{10} T^{13} - 368 p^{12} T^{14} + 160 p^{14} T^{15} + p^{16} T^{16} \)
83 \( 1 - 31656 T^{2} + 548966172 T^{4} - 6241105138200 T^{6} + 50625160453300358 T^{8} - 6241105138200 p^{4} T^{10} + 548966172 p^{8} T^{12} - 31656 p^{12} T^{14} + p^{16} T^{16} \)
89 \( 1 - 204 T + 33606 T^{2} - 4025736 T^{3} + 429000465 T^{4} - 38687764008 T^{5} + 2948831814102 T^{6} - 245790314656644 T^{7} + 19698007802495972 T^{8} - 245790314656644 p^{2} T^{9} + 2948831814102 p^{4} T^{10} - 38687764008 p^{6} T^{11} + 429000465 p^{8} T^{12} - 4025736 p^{10} T^{13} + 33606 p^{12} T^{14} - 204 p^{14} T^{15} + p^{16} T^{16} \)
97 \( 1 - 67008 T^{2} + 2033229564 T^{4} - 36439450302528 T^{6} + 421681100650800134 T^{8} - 36439450302528 p^{4} T^{10} + 2033229564 p^{8} T^{12} - 67008 p^{12} T^{14} + p^{16} T^{16} \)
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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

−4.61607338216900855889298734610, −4.58103293797706353918157486044, −4.54741289381553879971898188702, −4.31282672913776981590790318554, −4.03616780126980545619866745794, −3.97883132346492643227156883776, −3.61121309009598574325564544053, −3.56506216845868623094594991667, −3.41079462321870825001078454201, −3.15216256054934188887586672662, −3.08865969925177133190518168810, −2.83208713431983156221196386241, −2.82498346984500226497409506202, −2.79822718789046765263591849143, −2.73560024240691288135320847049, −2.50643107440360240764537818013, −1.92413754938020153947253853165, −1.69575020488766196352862121420, −1.56781751331867712385625617508, −1.50264558034181492475370834217, −1.49163782914647893780535540892, −0.992849910004240881903369942518, −0.66463934063048804707929249691, −0.38769477129382954798898545990, −0.10982308747061567904310402661, 0.10982308747061567904310402661, 0.38769477129382954798898545990, 0.66463934063048804707929249691, 0.992849910004240881903369942518, 1.49163782914647893780535540892, 1.50264558034181492475370834217, 1.56781751331867712385625617508, 1.69575020488766196352862121420, 1.92413754938020153947253853165, 2.50643107440360240764537818013, 2.73560024240691288135320847049, 2.79822718789046765263591849143, 2.82498346984500226497409506202, 2.83208713431983156221196386241, 3.08865969925177133190518168810, 3.15216256054934188887586672662, 3.41079462321870825001078454201, 3.56506216845868623094594991667, 3.61121309009598574325564544053, 3.97883132346492643227156883776, 4.03616780126980545619866745794, 4.31282672913776981590790318554, 4.54741289381553879971898188702, 4.58103293797706353918157486044, 4.61607338216900855889298734610

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

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