Properties

Label 16-15e16-1.1-c1e8-0-2
Degree $16$
Conductor $6.568\times 10^{18}$
Sign $1$
Analytic cond. $108.561$
Root an. cond. $1.34038$
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  + 4·4-s − 12·11-s + 9·16-s + 8·19-s − 12·29-s + 4·31-s − 24·41-s − 48·44-s + 16·49-s − 24·59-s − 8·61-s + 12·64-s + 72·71-s + 32·76-s − 16·79-s + 9·81-s + 24·89-s − 24·101-s + 32·109-s − 48·116-s + 92·121-s + 16·124-s + 127-s + 131-s + 137-s + 139-s + 149-s + ⋯
L(s)  = 1  + 2·4-s − 3.61·11-s + 9/4·16-s + 1.83·19-s − 2.22·29-s + 0.718·31-s − 3.74·41-s − 7.23·44-s + 16/7·49-s − 3.12·59-s − 1.02·61-s + 3/2·64-s + 8.54·71-s + 3.67·76-s − 1.80·79-s + 81-s + 2.54·89-s − 2.38·101-s + 3.06·109-s − 4.45·116-s + 8.36·121-s + 1.43·124-s + 0.0887·127-s + 0.0873·131-s + 0.0854·137-s + 0.0848·139-s + 0.0819·149-s + ⋯

Functional equation

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

Invariants

Degree: \(16\)
Conductor: \(3^{16} \cdot 5^{16}\)
Sign: $1$
Analytic conductor: \(108.561\)
Root analytic conductor: \(1.34038\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 3^{16} \cdot 5^{16} ,\ ( \ : [1/2]^{8} ),\ 1 )\)

Particular Values

\(L(1)\) \(\approx\) \(2.370170491\)
\(L(\frac12)\) \(\approx\) \(2.370170491\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - p^{2} T^{4} + p^{4} T^{8} \)
5 \( 1 \)
good2 \( 1 - p^{2} T^{2} + 7 T^{4} - p^{2} T^{6} + T^{8} - p^{4} T^{10} + 7 p^{4} T^{12} - p^{8} T^{14} + p^{8} T^{16} \)
7 \( 1 - 16 T^{2} + 121 T^{4} - 592 T^{6} + 3280 T^{8} - 592 p^{2} T^{10} + 121 p^{4} T^{12} - 16 p^{6} T^{14} + p^{8} T^{16} \)
11 \( ( 1 + 6 T + 8 T^{2} + 36 T^{3} + 267 T^{4} + 36 p T^{5} + 8 p^{2} T^{6} + 6 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
13 \( ( 1 - 20 T^{2} + 231 T^{4} - 20 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
17 \( ( 1 + 40 T^{2} + 786 T^{4} + 40 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
19 \( ( 1 - 2 T + 36 T^{2} - 2 p T^{3} + p^{2} T^{4} )^{4} \)
23 \( 1 - 88 T^{2} + 4753 T^{4} - 170104 T^{6} + 4569664 T^{8} - 170104 p^{2} T^{10} + 4753 p^{4} T^{12} - 88 p^{6} T^{14} + p^{8} T^{16} \)
29 \( ( 1 + 6 T - 19 T^{2} - 18 T^{3} + 1140 T^{4} - 18 p T^{5} - 19 p^{2} T^{6} + 6 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
31 \( ( 1 - 2 T - 56 T^{2} + 4 T^{3} + 2515 T^{4} + 4 p T^{5} - 56 p^{2} T^{6} - 2 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
37 \( ( 1 + 56 T^{2} + p^{2} T^{4} )^{4} \)
41 \( ( 1 + 12 T + 29 T^{2} + 396 T^{3} + 5640 T^{4} + 396 p T^{5} + 29 p^{2} T^{6} + 12 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
43 \( 1 - 88 T^{2} + 3838 T^{4} - 18304 T^{6} - 2480621 T^{8} - 18304 p^{2} T^{10} + 3838 p^{4} T^{12} - 88 p^{6} T^{14} + p^{8} T^{16} \)
47 \( 1 - 160 T^{2} + 14809 T^{4} - 1019680 T^{6} + 55015600 T^{8} - 1019680 p^{2} T^{10} + 14809 p^{4} T^{12} - 160 p^{6} T^{14} + p^{8} T^{16} \)
53 \( ( 1 + 196 T^{2} + 15174 T^{4} + 196 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
59 \( ( 1 + 12 T + 2 T^{2} + 288 T^{3} + 8187 T^{4} + 288 p T^{5} + 2 p^{2} T^{6} + 12 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
61 \( ( 1 + 4 T - 35 T^{2} - 284 T^{3} - 2096 T^{4} - 284 p T^{5} - 35 p^{2} T^{6} + 4 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
67 \( 1 - 184 T^{2} + 16657 T^{4} - 1512664 T^{6} + 123674896 T^{8} - 1512664 p^{2} T^{10} + 16657 p^{4} T^{12} - 184 p^{6} T^{14} + p^{8} T^{16} \)
71 \( ( 1 - 18 T + 196 T^{2} - 18 p T^{3} + p^{2} T^{4} )^{4} \)
73 \( ( 1 + 74 T^{2} + p^{2} T^{4} )^{4} \)
79 \( ( 1 + 8 T - 98 T^{2} + 32 T^{3} + 14947 T^{4} + 32 p T^{5} - 98 p^{2} T^{6} + 8 p^{3} T^{7} + p^{4} T^{8} )^{2} \)
83 \( 1 - 160 T^{2} + 5929 T^{4} - 11360 p T^{6} + 23680 p^{2} T^{8} - 11360 p^{3} T^{10} + 5929 p^{4} T^{12} - 160 p^{6} T^{14} + p^{8} T^{16} \)
89 \( ( 1 - 6 T + 79 T^{2} - 6 p T^{3} + p^{2} T^{4} )^{4} \)
97 \( 1 - 52 T^{2} - 12902 T^{4} + 167024 T^{6} + 129576019 T^{8} + 167024 p^{2} T^{10} - 12902 p^{4} T^{12} - 52 p^{6} T^{14} + p^{8} T^{16} \)
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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

−5.50942299647231440766772225672, −5.45112930238953392854414375085, −5.35697285724888169395945063147, −5.14365787047990759662960074044, −4.99231730926276296224480984720, −4.90838852424776084526549399267, −4.72084020697547006275754002554, −4.64730575345348049159149528707, −4.34512017051328941468936154739, −4.09678938218898410482516246316, −3.66816164342689654726684376235, −3.61742932060607815507210780877, −3.57776446103860760857071855834, −3.37643789070114064119387367117, −3.09271936415990717055631785082, −3.06501694214300824385375660298, −2.74889795243138222271211633042, −2.71141039109583131863725020263, −2.26767747567647797495396750803, −2.13899149703932707190651415184, −2.08735180492674634089133573452, −1.83230626160597893482175243783, −1.58788031483045122153443687870, −0.978511415818909571962898399012, −0.50771439506466355690325211566, 0.50771439506466355690325211566, 0.978511415818909571962898399012, 1.58788031483045122153443687870, 1.83230626160597893482175243783, 2.08735180492674634089133573452, 2.13899149703932707190651415184, 2.26767747567647797495396750803, 2.71141039109583131863725020263, 2.74889795243138222271211633042, 3.06501694214300824385375660298, 3.09271936415990717055631785082, 3.37643789070114064119387367117, 3.57776446103860760857071855834, 3.61742932060607815507210780877, 3.66816164342689654726684376235, 4.09678938218898410482516246316, 4.34512017051328941468936154739, 4.64730575345348049159149528707, 4.72084020697547006275754002554, 4.90838852424776084526549399267, 4.99231730926276296224480984720, 5.14365787047990759662960074044, 5.35697285724888169395945063147, 5.45112930238953392854414375085, 5.50942299647231440766772225672

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

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