Properties

Label 2-864-8.5-c1-0-1
Degree $2$
Conductor $864$
Sign $-1$
Analytic cond. $6.89907$
Root an. cond. $2.62660$
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  + 4.41i·5-s − 3.24·7-s − 0.171i·11-s − 14.4·25-s − 2.82i·29-s − 9.24·31-s − 14.3i·35-s + 3.51·49-s − 4.07i·53-s + 0.757·55-s + 11.3i·59-s − 15.4·73-s + 0.556i·77-s + 10·79-s + 17.8i·83-s + ⋯
L(s)  = 1  + 1.97i·5-s − 1.22·7-s − 0.0517i·11-s − 2.89·25-s − 0.525i·29-s − 1.66·31-s − 2.41i·35-s + 0.502·49-s − 0.559i·53-s + 0.102·55-s + 1.47i·59-s − 1.81·73-s + 0.0634i·77-s + 1.12·79-s + 1.95i·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 864 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 864 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(864\)    =    \(2^{5} \cdot 3^{3}\)
Sign: $-1$
Analytic conductor: \(6.89907\)
Root analytic conductor: \(2.62660\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{864} (433, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 864,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(\approx\) \(-0.602548i\)
\(L(\frac12)\) \(\approx\) \(-0.602548i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
good5 \( 1 - 4.41iT - 5T^{2} \)
7 \( 1 + 3.24T + 7T^{2} \)
11 \( 1 + 0.171iT - 11T^{2} \)
13 \( 1 - 13T^{2} \)
17 \( 1 + 17T^{2} \)
19 \( 1 - 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 + 2.82iT - 29T^{2} \)
31 \( 1 + 9.24T + 31T^{2} \)
37 \( 1 - 37T^{2} \)
41 \( 1 + 41T^{2} \)
43 \( 1 - 43T^{2} \)
47 \( 1 + 47T^{2} \)
53 \( 1 + 4.07iT - 53T^{2} \)
59 \( 1 - 11.3iT - 59T^{2} \)
61 \( 1 - 61T^{2} \)
67 \( 1 - 67T^{2} \)
71 \( 1 + 71T^{2} \)
73 \( 1 + 15.4T + 73T^{2} \)
79 \( 1 - 10T + 79T^{2} \)
83 \( 1 - 17.8iT - 83T^{2} \)
89 \( 1 + 89T^{2} \)
97 \( 1 - 15.9T + 97T^{2} \)
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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

−10.52177129329211553704031242622, −9.911433569964495430821275752986, −9.137025727202356671305563826299, −7.76454176126931624460895685317, −7.03769540968738111850309825999, −6.41643064417248935499572875009, −5.66263481165500652538892055716, −3.89893133420175609926305559963, −3.20411459514129297215561107937, −2.30862903333473820109330197806, 0.27759676442585793268376754337, 1.71039540932488136867696777869, 3.38068711076203999920707988420, 4.38143671440090286964158824815, 5.31412908788555003760873862525, 6.07180940167385785464572069016, 7.24149046544847600839073552901, 8.227104100961930092838766765804, 9.110379666334423814965364212116, 9.422085931366405110389971791871

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