Properties

Label 16-72e16-1.1-c1e8-0-2
Degree $16$
Conductor $5.216\times 10^{29}$
Sign $1$
Analytic cond. $8.62058\times 10^{12}$
Root an. cond. $6.43385$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive no
Self-dual yes
Analytic rank $0$

Origins

Origins of factors

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Normalization:  

Dirichlet series

L(s)  = 1  − 8·13-s + 16·25-s + 32·37-s + 8·49-s − 16·61-s + 32·73-s + 32·97-s − 8·109-s − 16·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s − 68·169-s + 173-s + 179-s + 181-s + 191-s + 193-s + 197-s + 199-s + 211-s + ⋯
L(s)  = 1  − 2.21·13-s + 16/5·25-s + 5.26·37-s + 8/7·49-s − 2.04·61-s + 3.74·73-s + 3.24·97-s − 0.766·109-s − 1.45·121-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 + 0.0783·163-s + 0.0773·167-s − 5.23·169-s + 0.0760·173-s + 0.0747·179-s + 0.0743·181-s + 0.0723·191-s + 0.0719·193-s + 0.0712·197-s + 0.0708·199-s + 0.0688·211-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{48} \cdot 3^{32}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(2-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{48} \cdot 3^{32}\right)^{s/2} \, \Gamma_{\C}(s+1/2)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(2^{48} \cdot 3^{32}\)
Sign: $1$
Analytic conductor: \(8.62058\times 10^{12}\)
Root analytic conductor: \(6.43385\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 2^{48} \cdot 3^{32} ,\ ( \ : [1/2]^{8} ),\ 1 )\)

Particular Values

\(L(1)\) \(\approx\) \(1.792705490\)
\(L(\frac12)\) \(\approx\) \(1.792705490\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
good5 \( ( 1 - 8 T^{2} + 39 T^{4} - 8 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
7 \( ( 1 - 4 T^{2} - 6 T^{4} - 4 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
11 \( ( 1 + 4 T^{2} + p^{2} T^{4} )^{4} \)
13 \( ( 1 + T + p T^{2} )^{8} \)
17 \( ( 1 - 56 T^{2} + 1335 T^{4} - 56 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
19 \( ( 1 - 52 T^{2} + 1290 T^{4} - 52 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
23 \( ( 1 - 8 T^{2} + p^{2} T^{4} )^{4} \)
29 \( ( 1 - 32 T^{2} + 1263 T^{4} - 32 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
31 \( ( 1 - 26 T^{2} + p^{2} T^{4} )^{4} \)
37 \( ( 1 - 8 T + 63 T^{2} - 8 p T^{3} + p^{2} T^{4} )^{4} \)
41 \( ( 1 - 28 T^{2} + p^{2} T^{4} )^{4} \)
43 \( ( 1 - 100 T^{2} + 5226 T^{4} - 100 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
47 \( ( 1 + 44 T^{2} + 1014 T^{4} + 44 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
53 \( ( 1 - 52 T^{2} + p^{2} T^{4} )^{4} \)
59 \( ( 1 + 92 T^{2} + 5190 T^{4} + 92 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
61 \( ( 1 + 4 T + 99 T^{2} + 4 p T^{3} + p^{2} T^{4} )^{4} \)
67 \( ( 1 - 100 T^{2} + 10506 T^{4} - 100 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
71 \( ( 1 + 32 T^{2} - 5214 T^{4} + 32 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
73 \( ( 1 - 8 T + 135 T^{2} - 8 p T^{3} + p^{2} T^{4} )^{4} \)
79 \( ( 1 - 292 T^{2} + 33690 T^{4} - 292 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
83 \( ( 1 + 94 T^{2} + p^{2} T^{4} )^{4} \)
89 \( ( 1 - 128 T^{2} + 19263 T^{4} - 128 p^{2} T^{6} + p^{4} T^{8} )^{2} \)
97 \( ( 1 - 8 T + 102 T^{2} - 8 p T^{3} + p^{2} T^{4} )^{4} \)
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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

−3.19080605051892410637337959407, −3.16454182488104602884074165298, −3.01853893218910670922393431984, −2.93826794862345761284574374517, −2.87991163518950760628658244394, −2.73958029911932714973278203875, −2.69320521160830037317076914765, −2.64651451109489083384823548517, −2.52932834048097775465352686581, −2.44216355021124849962569254451, −2.14046674446860863115067584714, −2.10412268618227782525053405349, −2.04109684156621253709743650539, −1.95548684326897528426836571371, −1.67841057747346964408671768241, −1.63277759033510142097543021403, −1.33993903947947778338480870364, −1.31729019161903690732244835045, −1.07579108696562078678586088236, −0.939064490158055530041713889477, −0.76403192186847222709481275126, −0.64696690545227095144025423804, −0.61524124936037310525260812396, −0.50863299088950066186046027218, −0.06568974814316189885431804681, 0.06568974814316189885431804681, 0.50863299088950066186046027218, 0.61524124936037310525260812396, 0.64696690545227095144025423804, 0.76403192186847222709481275126, 0.939064490158055530041713889477, 1.07579108696562078678586088236, 1.31729019161903690732244835045, 1.33993903947947778338480870364, 1.63277759033510142097543021403, 1.67841057747346964408671768241, 1.95548684326897528426836571371, 2.04109684156621253709743650539, 2.10412268618227782525053405349, 2.14046674446860863115067584714, 2.44216355021124849962569254451, 2.52932834048097775465352686581, 2.64651451109489083384823548517, 2.69320521160830037317076914765, 2.73958029911932714973278203875, 2.87991163518950760628658244394, 2.93826794862345761284574374517, 3.01853893218910670922393431984, 3.16454182488104602884074165298, 3.19080605051892410637337959407

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

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