Properties

Label 4-2e8-1.1-c12e2-0-0
Degree $4$
Conductor $256$
Sign $1$
Analytic cond. $213.858$
Root an. cond. $3.82412$
Motivic weight $12$
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  − 540·5-s + 3.97e5·9-s − 8.77e6·13-s − 7.87e7·17-s − 4.88e8·25-s + 3.27e8·29-s + 7.20e9·37-s + 4.24e9·41-s − 2.14e8·45-s − 5.10e9·49-s − 2.71e10·53-s + 7.09e10·61-s + 4.73e9·65-s − 1.19e10·73-s − 1.24e11·81-s + 4.25e10·85-s − 1.50e12·89-s − 1.94e12·97-s + 2.01e12·101-s + 2.46e12·109-s + 6.04e12·113-s − 3.48e12·117-s + 3.54e12·121-s + 3.95e11·125-s + 127-s + 131-s + 137-s + ⋯
L(s)  = 1  − 0.0345·5-s + 0.748·9-s − 1.81·13-s − 3.26·17-s − 1.99·25-s + 0.549·29-s + 2.80·37-s + 0.894·41-s − 0.0258·45-s − 0.368·49-s − 1.22·53-s + 1.37·61-s + 0.0628·65-s − 0.0790·73-s − 0.440·81-s + 0.112·85-s − 3.03·89-s − 2.33·97-s + 1.89·101-s + 1.47·109-s + 2.90·113-s − 1.35·117-s + 1.13·121-s + 0.103·125-s − 0.0190·145-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 256 ^{s/2} \, \Gamma_{\C}(s)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(13-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 256 ^{s/2} \, \Gamma_{\C}(s+6)^{2} \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(4\)
Conductor: \(256\)    =    \(2^{8}\)
Sign: $1$
Analytic conductor: \(213.858\)
Root analytic conductor: \(3.82412\)
Motivic weight: \(12\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: no
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((4,\ 256,\ (\ :6, 6),\ 1)\)

Particular Values

\(L(\frac{13}{2})\) \(\approx\) \(1.040927870\)
\(L(\frac12)\) \(\approx\) \(1.040927870\)
\(L(7)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$\Gal(F_p)$$F_p(T)$
bad2 \( 1 \)
good3$C_2^2$ \( 1 - 14726 p^{3} T^{2} + p^{24} T^{4} \)
5$C_2$ \( ( 1 + 54 p T + p^{12} T^{2} )^{2} \)
7$C_2^2$ \( 1 + 729297874 p T^{2} + p^{24} T^{4} \)
11$C_2^2$ \( 1 - 322617541222 p T^{2} + p^{24} T^{4} \)
13$C_2$ \( ( 1 + 4386350 T + p^{12} T^{2} )^{2} \)
17$C_2$ \( ( 1 + 39383550 T + p^{12} T^{2} )^{2} \)
19$C_2^2$ \( 1 - 1482382886332322 T^{2} + p^{24} T^{4} \)
23$C_2^2$ \( 1 + 13940422220450878 T^{2} + p^{24} T^{4} \)
29$C_2$ \( ( 1 - 163560978 T + p^{12} T^{2} )^{2} \)
31$C_2^2$ \( 1 - 1521742293093899522 T^{2} + p^{24} T^{4} \)
37$C_2$ \( ( 1 - 3600024050 T + p^{12} T^{2} )^{2} \)
41$C_2$ \( ( 1 - 2124864738 T + p^{12} T^{2} )^{2} \)
43$C_2^2$ \( 1 - 73135041050432481122 T^{2} + p^{24} T^{4} \)
47$C_2^2$ \( 1 + 76729470925866191998 T^{2} + p^{24} T^{4} \)
53$C_2$ \( ( 1 + 13585251150 T + p^{12} T^{2} )^{2} \)
59$C_2^2$ \( 1 - \)\(29\!\cdots\!62\)\( T^{2} + p^{24} T^{4} \)
61$C_2$ \( ( 1 - 35496554258 T + p^{12} T^{2} )^{2} \)
67$C_2^2$ \( 1 - \)\(14\!\cdots\!22\)\( T^{2} + p^{24} T^{4} \)
71$C_2^2$ \( 1 - \)\(17\!\cdots\!82\)\( T^{2} + p^{24} T^{4} \)
73$C_2$ \( ( 1 + 5982269150 T + p^{12} T^{2} )^{2} \)
79$C_2^2$ \( 1 - \)\(10\!\cdots\!82\)\( T^{2} + p^{24} T^{4} \)
83$C_2^2$ \( 1 - \)\(55\!\cdots\!02\)\( T^{2} + p^{24} T^{4} \)
89$C_2$ \( ( 1 + 753989286942 T + p^{12} T^{2} )^{2} \)
97$C_2$ \( ( 1 + 970603845950 T + p^{12} T^{2} )^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{4} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−16.45173641579911494963432989282, −15.54901918209113364478999916766, −15.42285661434096535589549387815, −14.53424765393267501546454662761, −13.71403536040581059576772715477, −13.00412984598497790545783145346, −12.57005163851365104825117544890, −11.42032499966870580239066793270, −11.14361209533333589836052312272, −9.771190881328347893332020980107, −9.655142482550109840001759991771, −8.506759102513945019756856288995, −7.55394315475801950121053792152, −6.87293260096239717638981542024, −5.98811764880138173666071788211, −4.46653623063737179605744498951, −4.39878940698416530283590930981, −2.56132212862914461330099792769, −1.98842836974668574194191951257, −0.39631622499006013507911395808, 0.39631622499006013507911395808, 1.98842836974668574194191951257, 2.56132212862914461330099792769, 4.39878940698416530283590930981, 4.46653623063737179605744498951, 5.98811764880138173666071788211, 6.87293260096239717638981542024, 7.55394315475801950121053792152, 8.506759102513945019756856288995, 9.655142482550109840001759991771, 9.771190881328347893332020980107, 11.14361209533333589836052312272, 11.42032499966870580239066793270, 12.57005163851365104825117544890, 13.00412984598497790545783145346, 13.71403536040581059576772715477, 14.53424765393267501546454662761, 15.42285661434096535589549387815, 15.54901918209113364478999916766, 16.45173641579911494963432989282

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