Properties

Label 16-448e8-1.1-c3e8-0-0
Degree $16$
Conductor $1.623\times 10^{21}$
Sign $1$
Analytic cond. $2.38315\times 10^{11}$
Root an. cond. $5.14128$
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  − 1.37e3·49-s − 2.86e3·81-s − 1.06e4·121-s + 127-s + 131-s + 137-s + 139-s + 149-s + 151-s + 157-s + 163-s + 167-s + 173-s + 179-s + 181-s + 191-s + 193-s + 197-s + 199-s + 211-s + 223-s + 227-s + 229-s + 233-s + 239-s + 241-s + 251-s + ⋯
L(s)  = 1  − 4·49-s − 3.92·81-s − 8·121-s + 0.000698·127-s + 0.000666·131-s + 0.000623·137-s + 0.000610·139-s + 0.000549·149-s + 0.000538·151-s + 0.000508·157-s + 0.000480·163-s + 0.000463·167-s + 0.000439·173-s + 0.000417·179-s + 0.000410·181-s + 0.000378·191-s + 0.000372·193-s + 0.000361·197-s + 0.000356·199-s + 0.000326·211-s + 0.000300·223-s + 0.000292·227-s + 0.000288·229-s + 0.000281·233-s + 0.000270·239-s + 0.000267·241-s + 0.000251·251-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{48} \cdot 7^{8}\right)^{s/2} \, \Gamma_{\C}(s)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(4-s)\end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut &\left(2^{48} \cdot 7^{8}\right)^{s/2} \, \Gamma_{\C}(s+3/2)^{8} \, L(s)\cr=\mathstrut & \,\Lambda(1-s)\end{aligned}\]

Invariants

Degree: \(16\)
Conductor: \(2^{48} \cdot 7^{8}\)
Sign: $1$
Analytic conductor: \(2.38315\times 10^{11}\)
Root analytic conductor: \(5.14128\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((16,\ 2^{48} \cdot 7^{8} ,\ ( \ : [3/2]^{8} ),\ 1 )\)

Particular Values

\(L(2)\) \(\approx\) \(0.002484712432\)
\(L(\frac12)\) \(\approx\) \(0.002484712432\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( ( 1 + p^{3} T^{2} )^{4} \)
good3 \( ( 1 + 1430 T^{4} + p^{12} T^{8} )^{2} \)
5 \( ( 1 - 30602 T^{4} + p^{12} T^{8} )^{2} \)
11 \( ( 1 + p^{3} T^{2} )^{8} \)
13 \( ( 1 + 3229270 T^{4} + p^{12} T^{8} )^{2} \)
17 \( ( 1 - p^{3} T^{2} )^{8} \)
19 \( ( 1 - 20499050 T^{4} + p^{12} T^{8} )^{2} \)
23 \( ( 1 + 14870 T^{2} + p^{6} T^{4} )^{4} \)
29 \( ( 1 - p^{3} T^{2} )^{8} \)
31 \( ( 1 + p^{3} T^{2} )^{8} \)
37 \( ( 1 - p^{3} T^{2} )^{8} \)
41 \( ( 1 - p^{3} T^{2} )^{8} \)
43 \( ( 1 + p^{3} T^{2} )^{8} \)
47 \( ( 1 + p^{3} T^{2} )^{8} \)
53 \( ( 1 - p^{3} T^{2} )^{8} \)
59 \( ( 1 + 39634956790 T^{4} + p^{12} T^{8} )^{2} \)
61 \( ( 1 - 94184008490 T^{4} + p^{12} T^{8} )^{2} \)
67 \( ( 1 + p^{3} T^{2} )^{8} \)
71 \( ( 1 - 332530 T^{2} + p^{6} T^{4} )^{4} \)
73 \( ( 1 - p^{3} T^{2} )^{8} \)
79 \( ( 1 + 236990 T^{2} + p^{6} T^{4} )^{4} \)
83 \( ( 1 - 394188032810 T^{4} + p^{12} T^{8} )^{2} \)
89 \( ( 1 - p^{3} T^{2} )^{8} \)
97 \( ( 1 - p^{3} T^{2} )^{8} \)
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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

−4.49900678278844552207159975258, −4.18143108733312044633982477740, −4.05198123332578450400853862692, −3.90300188624325097045230018132, −3.85754971609703077291336690216, −3.73153955308495356888342593211, −3.64102792771595495195133913148, −3.46810405803364011790964023216, −3.09623645469720351813551881445, −2.85682971651551136898636581894, −2.82067720724481428615679618346, −2.79033727657368637289231385307, −2.71760139727952264750275582902, −2.56051053096698070992297775103, −2.17406397617417002958569692313, −1.93166446993047953228775585072, −1.82944817041684669790062984956, −1.46688505038562832434565787444, −1.42846294876424550960287439321, −1.41360672582054760436099573569, −1.19947543110005745350994509510, −0.815707718414117838481728814507, −0.53057682973718555153734842281, −0.23767520581380971621820726206, −0.00631968518072539353367997759, 0.00631968518072539353367997759, 0.23767520581380971621820726206, 0.53057682973718555153734842281, 0.815707718414117838481728814507, 1.19947543110005745350994509510, 1.41360672582054760436099573569, 1.42846294876424550960287439321, 1.46688505038562832434565787444, 1.82944817041684669790062984956, 1.93166446993047953228775585072, 2.17406397617417002958569692313, 2.56051053096698070992297775103, 2.71760139727952264750275582902, 2.79033727657368637289231385307, 2.82067720724481428615679618346, 2.85682971651551136898636581894, 3.09623645469720351813551881445, 3.46810405803364011790964023216, 3.64102792771595495195133913148, 3.73153955308495356888342593211, 3.85754971609703077291336690216, 3.90300188624325097045230018132, 4.05198123332578450400853862692, 4.18143108733312044633982477740, 4.49900678278844552207159975258

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

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