Properties

Label 2-2e8-1.1-c5-0-0
Degree $2$
Conductor $256$
Sign $1$
Analytic cond. $41.0582$
Root an. cond. $6.40767$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

Related objects

Downloads

Learn more

Normalization:  

Dirichlet series

L(s)  = 1  − 15.6·3-s − 33.5·5-s − 178.·7-s + 3.41·9-s + 240.·11-s − 1.05e3·13-s + 527.·15-s − 2.04e3·17-s − 692.·19-s + 2.79e3·21-s − 3.73e3·23-s − 1.99e3·25-s + 3.76e3·27-s + 1.84e3·29-s + 3.21e3·31-s − 3.78e3·33-s + 5.98e3·35-s − 3.39e3·37-s + 1.65e4·39-s − 5.96e3·41-s − 770.·43-s − 114.·45-s − 1.70e4·47-s + 1.48e4·49-s + 3.21e4·51-s − 3.21e4·53-s − 8.09e3·55-s + ⋯
L(s)  = 1  − 1.00·3-s − 0.600·5-s − 1.37·7-s + 0.0140·9-s + 0.600·11-s − 1.73·13-s + 0.605·15-s − 1.71·17-s − 0.440·19-s + 1.38·21-s − 1.47·23-s − 0.638·25-s + 0.992·27-s + 0.407·29-s + 0.600·31-s − 0.604·33-s + 0.825·35-s − 0.407·37-s + 1.74·39-s − 0.553·41-s − 0.0635·43-s − 0.00845·45-s − 1.12·47-s + 0.885·49-s + 1.73·51-s − 1.57·53-s − 0.360·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 256 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 256 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(256\)    =    \(2^{8}\)
Sign: $1$
Analytic conductor: \(41.0582\)
Root analytic conductor: \(6.40767\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 256,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(0.03809828788\)
\(L(\frac12)\) \(\approx\) \(0.03809828788\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
good3 \( 1 + 15.6T + 243T^{2} \)
5 \( 1 + 33.5T + 3.12e3T^{2} \)
7 \( 1 + 178.T + 1.68e4T^{2} \)
11 \( 1 - 240.T + 1.61e5T^{2} \)
13 \( 1 + 1.05e3T + 3.71e5T^{2} \)
17 \( 1 + 2.04e3T + 1.41e6T^{2} \)
19 \( 1 + 692.T + 2.47e6T^{2} \)
23 \( 1 + 3.73e3T + 6.43e6T^{2} \)
29 \( 1 - 1.84e3T + 2.05e7T^{2} \)
31 \( 1 - 3.21e3T + 2.86e7T^{2} \)
37 \( 1 + 3.39e3T + 6.93e7T^{2} \)
41 \( 1 + 5.96e3T + 1.15e8T^{2} \)
43 \( 1 + 770.T + 1.47e8T^{2} \)
47 \( 1 + 1.70e4T + 2.29e8T^{2} \)
53 \( 1 + 3.21e4T + 4.18e8T^{2} \)
59 \( 1 - 4.40e4T + 7.14e8T^{2} \)
61 \( 1 - 2.36e4T + 8.44e8T^{2} \)
67 \( 1 - 1.88e4T + 1.35e9T^{2} \)
71 \( 1 + 1.54e4T + 1.80e9T^{2} \)
73 \( 1 - 5.26e4T + 2.07e9T^{2} \)
79 \( 1 - 3.99e4T + 3.07e9T^{2} \)
83 \( 1 - 7.77e4T + 3.93e9T^{2} \)
89 \( 1 + 1.79e4T + 5.58e9T^{2} \)
97 \( 1 + 2.65e4T + 8.58e9T^{2} \)
show more
show less
   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−11.36033992228152713230838875704, −10.19669829078150833384096303084, −9.470235127698191572412096504034, −8.194099497777264511815057775505, −6.77189273836201075480854495162, −6.37629310566805637497799379617, −4.98352601014970609226503447023, −3.90169909912820454203357769925, −2.41434838430341572621818949912, −0.11034757927099735899535689951, 0.11034757927099735899535689951, 2.41434838430341572621818949912, 3.90169909912820454203357769925, 4.98352601014970609226503447023, 6.37629310566805637497799379617, 6.77189273836201075480854495162, 8.194099497777264511815057775505, 9.470235127698191572412096504034, 10.19669829078150833384096303084, 11.36033992228152713230838875704

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