Properties

Label 2-864-27.7-c1-0-18
Degree $2$
Conductor $864$
Sign $0.999 + 0.0325i$
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  + (1.17 − 1.26i)3-s + (0.191 + 1.08i)5-s + (2.62 + 2.20i)7-s + (−0.225 − 2.99i)9-s + (−0.0811 + 0.460i)11-s + (3.01 + 1.09i)13-s + (1.60 + 1.03i)15-s + (−0.185 − 0.320i)17-s + (−2.75 + 4.77i)19-s + (5.88 − 0.738i)21-s + (0.107 − 0.0900i)23-s + (3.55 − 1.29i)25-s + (−4.06 − 3.23i)27-s + (1.79 − 0.651i)29-s + (2.20 − 1.85i)31-s + ⋯
L(s)  = 1  + (0.679 − 0.733i)3-s + (0.0855 + 0.485i)5-s + (0.991 + 0.831i)7-s + (−0.0752 − 0.997i)9-s + (−0.0244 + 0.138i)11-s + (0.836 + 0.304i)13-s + (0.414 + 0.267i)15-s + (−0.0449 − 0.0777i)17-s + (−0.632 + 1.09i)19-s + (1.28 − 0.161i)21-s + (0.0223 − 0.0187i)23-s + (0.711 − 0.258i)25-s + (−0.782 − 0.622i)27-s + (0.332 − 0.121i)29-s + (0.396 − 0.332i)31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 864 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.999 + 0.0325i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 864 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.999 + 0.0325i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(864\)    =    \(2^{5} \cdot 3^{3}\)
Sign: $0.999 + 0.0325i$
Analytic conductor: \(6.89907\)
Root analytic conductor: \(2.62660\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{864} (385, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 864,\ (\ :1/2),\ 0.999 + 0.0325i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.25616 - 0.0366989i\)
\(L(\frac12)\) \(\approx\) \(2.25616 - 0.0366989i\)
\(L(\frac{3}{2})\) 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 \( 1 + (-1.17 + 1.26i)T \)
good5 \( 1 + (-0.191 - 1.08i)T + (-4.69 + 1.71i)T^{2} \)
7 \( 1 + (-2.62 - 2.20i)T + (1.21 + 6.89i)T^{2} \)
11 \( 1 + (0.0811 - 0.460i)T + (-10.3 - 3.76i)T^{2} \)
13 \( 1 + (-3.01 - 1.09i)T + (9.95 + 8.35i)T^{2} \)
17 \( 1 + (0.185 + 0.320i)T + (-8.5 + 14.7i)T^{2} \)
19 \( 1 + (2.75 - 4.77i)T + (-9.5 - 16.4i)T^{2} \)
23 \( 1 + (-0.107 + 0.0900i)T + (3.99 - 22.6i)T^{2} \)
29 \( 1 + (-1.79 + 0.651i)T + (22.2 - 18.6i)T^{2} \)
31 \( 1 + (-2.20 + 1.85i)T + (5.38 - 30.5i)T^{2} \)
37 \( 1 + (-2.32 - 4.02i)T + (-18.5 + 32.0i)T^{2} \)
41 \( 1 + (-0.00243 - 0.000887i)T + (31.4 + 26.3i)T^{2} \)
43 \( 1 + (1.18 - 6.69i)T + (-40.4 - 14.7i)T^{2} \)
47 \( 1 + (6.94 + 5.83i)T + (8.16 + 46.2i)T^{2} \)
53 \( 1 - 10.8T + 53T^{2} \)
59 \( 1 + (1.70 + 9.67i)T + (-55.4 + 20.1i)T^{2} \)
61 \( 1 + (8.40 + 7.05i)T + (10.5 + 60.0i)T^{2} \)
67 \( 1 + (3.98 + 1.44i)T + (51.3 + 43.0i)T^{2} \)
71 \( 1 + (-0.776 - 1.34i)T + (-35.5 + 61.4i)T^{2} \)
73 \( 1 + (-7.58 + 13.1i)T + (-36.5 - 63.2i)T^{2} \)
79 \( 1 + (-8.87 + 3.23i)T + (60.5 - 50.7i)T^{2} \)
83 \( 1 + (16.2 - 5.91i)T + (63.5 - 53.3i)T^{2} \)
89 \( 1 + (-6.38 + 11.0i)T + (-44.5 - 77.0i)T^{2} \)
97 \( 1 + (0.597 - 3.38i)T + (-91.1 - 33.1i)T^{2} \)
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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

−10.11257568207097249953703926635, −9.087558346104284651786391989883, −8.316581011397816955009598264559, −7.88534488789306920580030375036, −6.63641778544675210990458237399, −6.08765098157520683811814250876, −4.80343596148210642099548204845, −3.55936723895879963272459152614, −2.42840543144477807918659587373, −1.51360259272361330590059476088, 1.24667639702672203047640510462, 2.71459736921662807235393775440, 3.97789993663794454171125525433, 4.63510540212464393827770313152, 5.50292883736332610809146373156, 6.90065153133167909374846575871, 7.86564595150506204334854792555, 8.608101115426751575581571120851, 9.106190062141955047384538547666, 10.32575539858001407576077956461

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