Properties

Label 16-161e8-1.1-c3e8-0-0
Degree $16$
Conductor $4.514\times 10^{17}$
Sign $1$
Analytic cond. $6.63033\times 10^{7}$
Root an. cond. $3.08209$
Motivic weight $3$
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  − 8·2-s − 28·4-s + 456·8-s + 80·9-s − 246·16-s − 640·18-s − 124·23-s − 12·25-s + 312·29-s − 1.32e4·32-s − 2.24e3·36-s + 992·46-s − 384·49-s + 96·50-s − 2.49e3·58-s + 3.53e4·64-s + 3.44e3·71-s + 3.64e4·72-s + 1.08e3·81-s + 3.47e3·92-s + 3.07e3·98-s + 336·100-s − 8.73e3·116-s + 8.89e3·121-s + 127-s + 2.47e5·128-s + 131-s + ⋯
L(s)  = 1  − 2.82·2-s − 7/2·4-s + 20.1·8-s + 2.96·9-s − 3.84·16-s − 8.38·18-s − 1.12·23-s − 0.0959·25-s + 1.99·29-s − 73.3·32-s − 10.3·36-s + 3.17·46-s − 1.11·49-s + 0.271·50-s − 5.65·58-s + 68.9·64-s + 5.76·71-s + 59.7·72-s + 1.48·81-s + 3.93·92-s + 3.16·98-s + 0.335·100-s − 6.99·116-s + 6.68·121-s + 0.000698·127-s + 171.·128-s + 0.000666·131-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(7^{8} \cdot 23^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(4-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(7^{8} \cdot 23^{8}\right)^{s/2} \, \Gamma_{\C}(s+3/2)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(7^{8} \cdot 23^{8}\)
Sign: $1$
Analytic conductor: \(6.63033\times 10^{7}\)
Root analytic conductor: \(3.08209\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 7^{8} \cdot 23^{8} ,\ ( \ : [3/2]^{8} ),\ 1 )\)

Particular Values

\(L(2)\) \(\approx\) \(0.03492183946\)
\(L(\frac12)\) \(\approx\) \(0.03492183946\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + 384 T^{2} + 2622 p^{2} T^{4} + 384 p^{6} T^{6} + p^{12} T^{8} \)
23 \( ( 1 + 62 T - 462 p T^{2} + 62 p^{3} T^{3} + p^{6} T^{4} )^{2} \)
good2 \( ( 1 + T + p^{3} T^{2} )^{8} \)
3 \( ( 1 - 20 T^{2} + p^{6} T^{4} )^{4} \)
5 \( ( 1 + 6 T^{2} - 4662 T^{4} + 6 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
11 \( ( 1 - 4446 T^{2} + 8448930 T^{4} - 4446 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
13 \( ( 1 - 6658 T^{2} + 20699938 T^{4} - 6658 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
17 \( ( 1 + 19158 T^{2} + 139996458 T^{4} + 19158 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
19 \( ( 1 - 2416 T^{2} + 54026350 T^{4} - 2416 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
29 \( ( 1 - 78 T + 14378 T^{2} - 78 p^{3} T^{3} + p^{6} T^{4} )^{4} \)
31 \( ( 1 - 9490 T^{2} + 1162115818 T^{4} - 9490 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
37 \( ( 1 - 65094 T^{2} + 2111247978 T^{4} - 65094 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
41 \( ( 1 - 70820 T^{2} + 795718 p^{2} T^{4} - 70820 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
43 \( ( 1 - 174066 T^{2} + 15991399458 T^{4} - 174066 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
47 \( ( 1 - 216130 T^{2} + 23335749258 T^{4} - 216130 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
53 \( ( 1 - 7862 T^{2} + 41548048458 T^{4} - 7862 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
59 \( ( 1 - 548584 T^{2} + 140975722146 T^{4} - 548584 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
61 \( ( 1 + 701238 T^{2} + 220482793482 T^{4} + 701238 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
67 \( ( 1 - 171438 T^{2} + 106252521858 T^{4} - 171438 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
71 \( ( 1 - 862 T + 865662 T^{2} - 862 p^{3} T^{3} + p^{6} T^{4} )^{4} \)
73 \( ( 1 - 936220 T^{2} + 436605181078 T^{4} - 936220 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
79 \( ( 1 - 38732 T^{2} - 6272373338 T^{4} - 38732 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
83 \( ( 1 + 1567632 T^{2} + 1168547521518 T^{4} + 1567632 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
89 \( ( 1 + 1330538 T^{2} + 896055032922 T^{4} + 1330538 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
97 \( ( 1 + 1561626 T^{2} + 1464121316538 T^{4} + 1561626 p^{6} T^{6} + p^{12} T^{8} )^{2} \)
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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

−5.21998034596156760689628180908, −4.91581648387531670988809106457, −4.90339043194285923310948533942, −4.80322304640327027858157602378, −4.77610722855011541814423209899, −4.50824449689643483457682610022, −4.30315103140294203612502694243, −4.24997533619553605580864432364, −4.15631520210194553220164136800, −4.15535146785484474550135286974, −3.65643574355506609155854116030, −3.61671226931219655261970650566, −3.46604410461892280218494657829, −3.38881974791101304656051919029, −3.15816782516290855060022183964, −2.31129844734837194104036036767, −1.96811695962049755669807488703, −1.93479918577275685230102708085, −1.34626299722782264405546678090, −1.22859235447362868784969298316, −1.13265437742751612884298248742, −1.01812641172274464070430000731, −0.63990628196875141226608962951, −0.44546337465277901974141247278, −0.10475180723656594614710010488, 0.10475180723656594614710010488, 0.44546337465277901974141247278, 0.63990628196875141226608962951, 1.01812641172274464070430000731, 1.13265437742751612884298248742, 1.22859235447362868784969298316, 1.34626299722782264405546678090, 1.93479918577275685230102708085, 1.96811695962049755669807488703, 2.31129844734837194104036036767, 3.15816782516290855060022183964, 3.38881974791101304656051919029, 3.46604410461892280218494657829, 3.61671226931219655261970650566, 3.65643574355506609155854116030, 4.15535146785484474550135286974, 4.15631520210194553220164136800, 4.24997533619553605580864432364, 4.30315103140294203612502694243, 4.50824449689643483457682610022, 4.77610722855011541814423209899, 4.80322304640327027858157602378, 4.90339043194285923310948533942, 4.91581648387531670988809106457, 5.21998034596156760689628180908

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

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