Properties

Label 2-2e8-4.3-c10-0-50
Degree $2$
Conductor $256$
Sign $1$
Analytic cond. $162.651$
Root an. cond. $12.7534$
Motivic weight $10$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 365. i·3-s − 321.·5-s − 7.74e3i·7-s − 7.47e4·9-s + 6.30e4i·11-s + 5.88e5·13-s − 1.17e5i·15-s − 1.10e6·17-s − 1.40e6i·19-s + 2.83e6·21-s + 8.10e6i·23-s − 9.66e6·25-s − 5.72e6i·27-s − 7.53e6·29-s − 3.74e7i·31-s + ⋯
L(s)  = 1  + 1.50i·3-s − 0.102·5-s − 0.460i·7-s − 1.26·9-s + 0.391i·11-s + 1.58·13-s − 0.154i·15-s − 0.778·17-s − 0.568i·19-s + 0.693·21-s + 1.25i·23-s − 0.989·25-s − 0.398i·27-s − 0.367·29-s − 1.30i·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 256 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \overline{\Lambda}(11-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 256 ^{s/2} \, \Gamma_{\C}(s+5) \, L(s)\cr =\mathstrut & \, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(256\)    =    \(2^{8}\)
Sign: $1$
Analytic conductor: \(162.651\)
Root analytic conductor: \(12.7534\)
Motivic weight: \(10\)
Rational: no
Arithmetic: yes
Character: $\chi_{256} (255, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 256,\ (\ :5),\ 1)\)

Particular Values

\(L(\frac{11}{2})\) \(\approx\) \(1.601762445\)
\(L(\frac12)\) \(\approx\) \(1.601762445\)
\(L(6)\) 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 \( 1 - 365. iT - 5.90e4T^{2} \)
5 \( 1 + 321.T + 9.76e6T^{2} \)
7 \( 1 + 7.74e3iT - 2.82e8T^{2} \)
11 \( 1 - 6.30e4iT - 2.59e10T^{2} \)
13 \( 1 - 5.88e5T + 1.37e11T^{2} \)
17 \( 1 + 1.10e6T + 2.01e12T^{2} \)
19 \( 1 + 1.40e6iT - 6.13e12T^{2} \)
23 \( 1 - 8.10e6iT - 4.14e13T^{2} \)
29 \( 1 + 7.53e6T + 4.20e14T^{2} \)
31 \( 1 + 3.74e7iT - 8.19e14T^{2} \)
37 \( 1 + 6.74e7T + 4.80e15T^{2} \)
41 \( 1 - 1.94e7T + 1.34e16T^{2} \)
43 \( 1 + 3.98e7iT - 2.16e16T^{2} \)
47 \( 1 + 3.13e8iT - 5.25e16T^{2} \)
53 \( 1 - 2.99e8T + 1.74e17T^{2} \)
59 \( 1 + 9.75e8iT - 5.11e17T^{2} \)
61 \( 1 - 5.95e8T + 7.13e17T^{2} \)
67 \( 1 + 1.47e9iT - 1.82e18T^{2} \)
71 \( 1 + 2.76e9iT - 3.25e18T^{2} \)
73 \( 1 + 2.82e9T + 4.29e18T^{2} \)
79 \( 1 - 3.76e9iT - 9.46e18T^{2} \)
83 \( 1 + 6.30e9iT - 1.55e19T^{2} \)
89 \( 1 - 6.15e9T + 3.11e19T^{2} \)
97 \( 1 - 9.73e9T + 7.37e19T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−10.24646688720867482479011520918, −9.377886565698411437073911199001, −8.635590644744026370165726221503, −7.39186633193264297182489338669, −6.08909924570331147172800677786, −5.06191927120511995884384121014, −3.97236981137057577073173001603, −3.55800377775332593458302421287, −1.91026639808675586192785982353, −0.36421266839978025269471693272, 0.865990932141344378411733290936, 1.69696593163471817885638983067, 2.74002563199877550948929450686, 4.03323084052206393474288405097, 5.70561918881187078522485814792, 6.34587458245966603775000172254, 7.25642019686462692406780739161, 8.406208461331163851127614703164, 8.775257223128364930432300275707, 10.44969764309569516382694168972

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