Properties

Label 2-648-9.4-c3-0-5
Degree $2$
Conductor $648$
Sign $0.342 - 0.939i$
Analytic cond. $38.2332$
Root an. cond. $6.18330$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−3.16 + 5.49i)5-s + (−9.59 − 16.6i)7-s + (−20.6 − 35.7i)11-s + (−19.6 + 34.0i)13-s + 59.9·17-s − 41.2·19-s + (26.9 − 46.5i)23-s + (42.4 + 73.4i)25-s + (32.6 + 56.5i)29-s + (−32.3 + 56.0i)31-s + 121.·35-s + 293.·37-s + (−103. + 179. i)41-s + (188. + 327. i)43-s + (−161. − 280. i)47-s + ⋯
L(s)  = 1  + (−0.283 + 0.491i)5-s + (−0.518 − 0.897i)7-s + (−0.565 − 0.979i)11-s + (−0.418 + 0.725i)13-s + 0.855·17-s − 0.498·19-s + (0.243 − 0.422i)23-s + (0.339 + 0.587i)25-s + (0.208 + 0.361i)29-s + (−0.187 + 0.324i)31-s + 0.587·35-s + 1.30·37-s + (−0.394 + 0.683i)41-s + (0.670 + 1.16i)43-s + (−0.502 − 0.870i)47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 648 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.342 - 0.939i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 648 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (0.342 - 0.939i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(648\)    =    \(2^{3} \cdot 3^{4}\)
Sign: $0.342 - 0.939i$
Analytic conductor: \(38.2332\)
Root analytic conductor: \(6.18330\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{648} (433, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 648,\ (\ :3/2),\ 0.342 - 0.939i)\)

Particular Values

\(L(2)\) \(\approx\) \(1.157195866\)
\(L(\frac12)\) \(\approx\) \(1.157195866\)
\(L(\frac{5}{2})\) 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 \( 1 + (3.16 - 5.49i)T + (-62.5 - 108. i)T^{2} \)
7 \( 1 + (9.59 + 16.6i)T + (-171.5 + 297. i)T^{2} \)
11 \( 1 + (20.6 + 35.7i)T + (-665.5 + 1.15e3i)T^{2} \)
13 \( 1 + (19.6 - 34.0i)T + (-1.09e3 - 1.90e3i)T^{2} \)
17 \( 1 - 59.9T + 4.91e3T^{2} \)
19 \( 1 + 41.2T + 6.85e3T^{2} \)
23 \( 1 + (-26.9 + 46.5i)T + (-6.08e3 - 1.05e4i)T^{2} \)
29 \( 1 + (-32.6 - 56.5i)T + (-1.21e4 + 2.11e4i)T^{2} \)
31 \( 1 + (32.3 - 56.0i)T + (-1.48e4 - 2.57e4i)T^{2} \)
37 \( 1 - 293.T + 5.06e4T^{2} \)
41 \( 1 + (103. - 179. i)T + (-3.44e4 - 5.96e4i)T^{2} \)
43 \( 1 + (-188. - 327. i)T + (-3.97e4 + 6.88e4i)T^{2} \)
47 \( 1 + (161. + 280. i)T + (-5.19e4 + 8.99e4i)T^{2} \)
53 \( 1 + 340.T + 1.48e5T^{2} \)
59 \( 1 + (203. - 352. i)T + (-1.02e5 - 1.77e5i)T^{2} \)
61 \( 1 + (-378. - 655. i)T + (-1.13e5 + 1.96e5i)T^{2} \)
67 \( 1 + (422. - 731. i)T + (-1.50e5 - 2.60e5i)T^{2} \)
71 \( 1 - 859.T + 3.57e5T^{2} \)
73 \( 1 + 789.T + 3.89e5T^{2} \)
79 \( 1 + (-108. - 188. i)T + (-2.46e5 + 4.26e5i)T^{2} \)
83 \( 1 + (50.5 + 87.6i)T + (-2.85e5 + 4.95e5i)T^{2} \)
89 \( 1 - 1.24e3T + 7.04e5T^{2} \)
97 \( 1 + (-873. - 1.51e3i)T + (-4.56e5 + 7.90e5i)T^{2} \)
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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

−10.41286782006288906710526065901, −9.586909582902069167486862556856, −8.525812368041821980910122301297, −7.58171083167133847546817023168, −6.85769723928780487016815153554, −5.94835901826922570844542070685, −4.70425143764376854575069550699, −3.61198345803263148162091057227, −2.75859456120374215506547610568, −0.977240130025775541286392381900, 0.40177654498541656422163315448, 2.12481382406000742816044590671, 3.16664043136713148527575556155, 4.54021624454533421971080879685, 5.37581581246757951493926685819, 6.29758485725068696306667270823, 7.53445520526706946524400354471, 8.157388862132681195346077043039, 9.234418400210187543818699639461, 9.860987679225818799584220812110

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