Properties

Label 2-648-648.133-c1-0-4
Degree $2$
Conductor $648$
Sign $-0.880 + 0.473i$
Analytic cond. $5.17430$
Root an. cond. $2.27471$
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  + (−1.40 − 0.118i)2-s + (1.59 + 0.682i)3-s + (1.97 + 0.333i)4-s + (−2.31 + 2.18i)5-s + (−2.16 − 1.15i)6-s + (−4.62 + 0.540i)7-s + (−2.73 − 0.703i)8-s + (2.06 + 2.17i)9-s + (3.51 − 2.79i)10-s + (−0.848 + 0.253i)11-s + (2.91 + 1.87i)12-s + (4.22 − 0.246i)13-s + (6.57 − 0.213i)14-s + (−5.16 + 1.89i)15-s + (3.77 + 1.31i)16-s + (−0.885 − 0.322i)17-s + ⋯
L(s)  = 1  + (−0.996 − 0.0837i)2-s + (0.918 + 0.394i)3-s + (0.985 + 0.166i)4-s + (−1.03 + 0.975i)5-s + (−0.882 − 0.469i)6-s + (−1.74 + 0.204i)7-s + (−0.968 − 0.248i)8-s + (0.689 + 0.724i)9-s + (1.11 − 0.885i)10-s + (−0.255 + 0.0765i)11-s + (0.840 + 0.542i)12-s + (1.17 − 0.0682i)13-s + (1.75 − 0.0571i)14-s + (−1.33 + 0.488i)15-s + (0.944 + 0.329i)16-s + (−0.214 − 0.0781i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 648 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.880 + 0.473i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 648 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.880 + 0.473i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(648\)    =    \(2^{3} \cdot 3^{4}\)
Sign: $-0.880 + 0.473i$
Analytic conductor: \(5.17430\)
Root analytic conductor: \(2.27471\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{648} (133, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 648,\ (\ :1/2),\ -0.880 + 0.473i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.0359158 - 0.142698i\)
\(L(\frac12)\) \(\approx\) \(0.0359158 - 0.142698i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (1.40 + 0.118i)T \)
3 \( 1 + (-1.59 - 0.682i)T \)
good5 \( 1 + (2.31 - 2.18i)T + (0.290 - 4.99i)T^{2} \)
7 \( 1 + (4.62 - 0.540i)T + (6.81 - 1.61i)T^{2} \)
11 \( 1 + (0.848 - 0.253i)T + (9.19 - 6.04i)T^{2} \)
13 \( 1 + (-4.22 + 0.246i)T + (12.9 - 1.50i)T^{2} \)
17 \( 1 + (0.885 + 0.322i)T + (13.0 + 10.9i)T^{2} \)
19 \( 1 + (2.82 + 7.75i)T + (-14.5 + 12.2i)T^{2} \)
23 \( 1 + (5.68 + 0.665i)T + (22.3 + 5.30i)T^{2} \)
29 \( 1 + (1.34 + 2.67i)T + (-17.3 + 23.2i)T^{2} \)
31 \( 1 + (0.737 - 0.991i)T + (-8.89 - 29.6i)T^{2} \)
37 \( 1 + (5.64 + 6.73i)T + (-6.42 + 36.4i)T^{2} \)
41 \( 1 + (3.52 - 2.31i)T + (16.2 - 37.6i)T^{2} \)
43 \( 1 + (0.679 - 2.86i)T + (-38.4 - 19.2i)T^{2} \)
47 \( 1 + (-3.65 - 4.90i)T + (-13.4 + 45.0i)T^{2} \)
53 \( 1 + (5.28 - 3.05i)T + (26.5 - 45.8i)T^{2} \)
59 \( 1 + (9.51 + 2.84i)T + (49.2 + 32.4i)T^{2} \)
61 \( 1 + (-4.39 - 1.89i)T + (41.8 + 44.3i)T^{2} \)
67 \( 1 + (1.58 - 3.14i)T + (-40.0 - 53.7i)T^{2} \)
71 \( 1 + (-1.09 - 6.23i)T + (-66.7 + 24.2i)T^{2} \)
73 \( 1 + (2.43 - 13.8i)T + (-68.5 - 24.9i)T^{2} \)
79 \( 1 + (11.7 + 7.72i)T + (31.2 + 72.5i)T^{2} \)
83 \( 1 + (-3.87 + 5.89i)T + (-32.8 - 76.2i)T^{2} \)
89 \( 1 + (-1.45 + 8.23i)T + (-83.6 - 30.4i)T^{2} \)
97 \( 1 + (3.85 - 4.08i)T + (-5.64 - 96.8i)T^{2} \)
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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

−10.75797716095929090214446622733, −10.16080110098117722141849918706, −9.220260477916551551495839372469, −8.648432045666944872604420757076, −7.63419158649121735102503121439, −6.90441980509143468301826440140, −6.16791523110201022081676916550, −3.99787316703123427244483791775, −3.22687497382759219645181713007, −2.49899250743752237141352637893, 0.093440763284242058638337574216, 1.64734722099831924757662847319, 3.35863747533429656162887756128, 3.86960608539599998509361533023, 5.96458479814478675044289508519, 6.70410698190096981254644387919, 7.75401301490048696027844931512, 8.392161366991626760376657855119, 8.949651991776819147964055348219, 9.877236903878360942551178560944

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