Properties

Label 2-2e8-4.3-c10-0-40
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  − 418. i·3-s − 5.46e3·5-s + 2.62e4i·7-s − 1.16e5·9-s + 1.10e5i·11-s − 3.33e5·13-s + 2.28e6i·15-s + 1.74e6·17-s − 5.79e5i·19-s + 1.10e7·21-s + 4.39e6i·23-s + 2.00e7·25-s + 2.39e7i·27-s − 1.17e7·29-s − 1.47e6i·31-s + ⋯
L(s)  = 1  − 1.72i·3-s − 1.74·5-s + 1.56i·7-s − 1.97·9-s + 0.685i·11-s − 0.897·13-s + 3.01i·15-s + 1.23·17-s − 0.234i·19-s + 2.69·21-s + 0.682i·23-s + 2.05·25-s + 1.67i·27-s − 0.572·29-s − 0.0514i·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

\(L(\frac{11}{2})\) \(\approx\) \(0.03107775292\)
\(L(\frac12)\) \(\approx\) \(0.03107775292\)
\(L(6)\) 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 \( 1 + 418. iT - 5.90e4T^{2} \)
5 \( 1 + 5.46e3T + 9.76e6T^{2} \)
7 \( 1 - 2.62e4iT - 2.82e8T^{2} \)
11 \( 1 - 1.10e5iT - 2.59e10T^{2} \)
13 \( 1 + 3.33e5T + 1.37e11T^{2} \)
17 \( 1 - 1.74e6T + 2.01e12T^{2} \)
19 \( 1 + 5.79e5iT - 6.13e12T^{2} \)
23 \( 1 - 4.39e6iT - 4.14e13T^{2} \)
29 \( 1 + 1.17e7T + 4.20e14T^{2} \)
31 \( 1 + 1.47e6iT - 8.19e14T^{2} \)
37 \( 1 - 4.17e7T + 4.80e15T^{2} \)
41 \( 1 + 1.23e8T + 1.34e16T^{2} \)
43 \( 1 - 1.56e8iT - 2.16e16T^{2} \)
47 \( 1 - 4.45e8iT - 5.25e16T^{2} \)
53 \( 1 - 4.27e8T + 1.74e17T^{2} \)
59 \( 1 + 9.43e8iT - 5.11e17T^{2} \)
61 \( 1 + 3.87e8T + 7.13e17T^{2} \)
67 \( 1 - 4.47e8iT - 1.82e18T^{2} \)
71 \( 1 + 6.97e8iT - 3.25e18T^{2} \)
73 \( 1 + 1.66e9T + 4.29e18T^{2} \)
79 \( 1 - 5.43e9iT - 9.46e18T^{2} \)
83 \( 1 + 4.16e9iT - 1.55e19T^{2} \)
89 \( 1 - 2.50e9T + 3.11e19T^{2} \)
97 \( 1 - 7.97e9T + 7.37e19T^{2} \)
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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

−9.499367205537352822491205264921, −8.366040675912393547606151472145, −7.72056962183317130584116041181, −7.16481454388884201091201256440, −5.96769245550100407793156866167, −4.87392607447638215871915035363, −3.24508850356979936281565855449, −2.37365337527819478262949472310, −1.22262344546271727234208498290, −0.01008479798659954817646492061, 0.65494910483716344052201278988, 3.17293967969886064509527107638, 3.78785412064095224593225499918, 4.36199752549530348691263239966, 5.32640597840254253833203781208, 7.10151620374870430056091015482, 7.901237567773536721912775490471, 8.814975754289943668944539983934, 10.16865447079058802401626134127, 10.48076582622485025670796666372

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