Properties

Label 2-2e10-8.5-c1-0-16
Degree $2$
Conductor $1024$
Sign $i$
Analytic cond. $8.17668$
Root an. cond. $2.85948$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.41i·3-s + 1.41i·5-s − 2·7-s + 0.999·9-s − 1.41i·11-s − 1.41i·13-s + 2.00·15-s + 2·17-s − 4.24i·19-s + 2.82i·21-s − 6·23-s + 2.99·25-s − 5.65i·27-s − 4.24i·29-s + 8·31-s + ⋯
L(s)  = 1  − 0.816i·3-s + 0.632i·5-s − 0.755·7-s + 0.333·9-s − 0.426i·11-s − 0.392i·13-s + 0.516·15-s + 0.485·17-s − 0.973i·19-s + 0.617i·21-s − 1.25·23-s + 0.599·25-s − 1.08i·27-s − 0.787i·29-s + 1.43·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1024 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & i\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1024 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1024\)    =    \(2^{10}\)
Sign: $i$
Analytic conductor: \(8.17668\)
Root analytic conductor: \(2.85948\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1024} (513, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1024,\ (\ :1/2),\ i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.360380859\)
\(L(\frac12)\) \(\approx\) \(1.360380859\)
\(L(\frac{3}{2})\) 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 \( 1 + 1.41iT - 3T^{2} \)
5 \( 1 - 1.41iT - 5T^{2} \)
7 \( 1 + 2T + 7T^{2} \)
11 \( 1 + 1.41iT - 11T^{2} \)
13 \( 1 + 1.41iT - 13T^{2} \)
17 \( 1 - 2T + 17T^{2} \)
19 \( 1 + 4.24iT - 19T^{2} \)
23 \( 1 + 6T + 23T^{2} \)
29 \( 1 + 4.24iT - 29T^{2} \)
31 \( 1 - 8T + 31T^{2} \)
37 \( 1 + 4.24iT - 37T^{2} \)
41 \( 1 + 41T^{2} \)
43 \( 1 + 7.07iT - 43T^{2} \)
47 \( 1 - 8T + 47T^{2} \)
53 \( 1 + 7.07iT - 53T^{2} \)
59 \( 1 + 4.24iT - 59T^{2} \)
61 \( 1 - 12.7iT - 61T^{2} \)
67 \( 1 + 7.07iT - 67T^{2} \)
71 \( 1 + 10T + 71T^{2} \)
73 \( 1 + 4T + 73T^{2} \)
79 \( 1 + 79T^{2} \)
83 \( 1 - 1.41iT - 83T^{2} \)
89 \( 1 + 4T + 89T^{2} \)
97 \( 1 + 2T + 97T^{2} \)
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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

−9.948975380079506745966139116837, −8.832670494873253177321195957629, −7.899411765043100827645955048993, −7.14775107391726688352507500281, −6.46078746563502339471693998299, −5.74531690973983054508349506842, −4.33846451309494687477940766460, −3.19994371502056489193105609228, −2.27686264849340236244693375021, −0.66311245126504812302628570019, 1.42605941539100853309724913155, 3.04721980727381412786029043622, 4.10166462469460812271823003049, 4.72812929748733416768286989422, 5.80543070102939722977492335971, 6.70344858586590378313709496923, 7.74883236945244734105833108280, 8.655161200073585778377237657365, 9.547914153327182136731585318217, 9.992676442534183611680202937412

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