Properties

Label 2-54-27.5-c2-0-0
Degree $2$
Conductor $54$
Sign $0.391 - 0.920i$
Analytic cond. $1.47139$
Root an. cond. $1.21301$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−0.909 − 1.08i)2-s + (−1.44 + 2.62i)3-s + (−0.347 + 1.96i)4-s + (0.696 + 1.91i)5-s + (4.16 − 0.824i)6-s + (2.23 + 12.6i)7-s + (2.44 − 1.41i)8-s + (−4.82 − 7.59i)9-s + (1.44 − 2.49i)10-s + (1.28 − 3.52i)11-s + (−4.67 − 3.75i)12-s + (6.69 + 5.61i)13-s + (11.6 − 13.9i)14-s + (−6.04 − 0.934i)15-s + (−3.75 − 1.36i)16-s + (−20.4 − 11.8i)17-s + ⋯
L(s)  = 1  + (−0.454 − 0.541i)2-s + (−0.481 + 0.876i)3-s + (−0.0868 + 0.492i)4-s + (0.139 + 0.382i)5-s + (0.693 − 0.137i)6-s + (0.318 + 1.80i)7-s + (0.306 − 0.176i)8-s + (−0.535 − 0.844i)9-s + (0.144 − 0.249i)10-s + (0.116 − 0.320i)11-s + (−0.389 − 0.313i)12-s + (0.515 + 0.432i)13-s + (0.834 − 0.994i)14-s + (−0.402 − 0.0623i)15-s + (−0.234 − 0.0855i)16-s + (−1.20 − 0.694i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 54 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.391 - 0.920i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 54 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.391 - 0.920i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(54\)    =    \(2 \cdot 3^{3}\)
Sign: $0.391 - 0.920i$
Analytic conductor: \(1.47139\)
Root analytic conductor: \(1.21301\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{54} (5, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 54,\ (\ :1),\ 0.391 - 0.920i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.663791 + 0.438926i\)
\(L(\frac12)\) \(\approx\) \(0.663791 + 0.438926i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (0.909 + 1.08i)T \)
3 \( 1 + (1.44 - 2.62i)T \)
good5 \( 1 + (-0.696 - 1.91i)T + (-19.1 + 16.0i)T^{2} \)
7 \( 1 + (-2.23 - 12.6i)T + (-46.0 + 16.7i)T^{2} \)
11 \( 1 + (-1.28 + 3.52i)T + (-92.6 - 77.7i)T^{2} \)
13 \( 1 + (-6.69 - 5.61i)T + (29.3 + 166. i)T^{2} \)
17 \( 1 + (20.4 + 11.8i)T + (144.5 + 250. i)T^{2} \)
19 \( 1 + (2.58 + 4.47i)T + (-180.5 + 312. i)T^{2} \)
23 \( 1 + (-34.3 - 6.04i)T + (497. + 180. i)T^{2} \)
29 \( 1 + (-18.1 - 21.6i)T + (-146. + 828. i)T^{2} \)
31 \( 1 + (0.600 - 3.40i)T + (-903. - 328. i)T^{2} \)
37 \( 1 + (-27.7 + 48.1i)T + (-684.5 - 1.18e3i)T^{2} \)
41 \( 1 + (10.1 - 12.1i)T + (-291. - 1.65e3i)T^{2} \)
43 \( 1 + (-49.2 - 17.9i)T + (1.41e3 + 1.18e3i)T^{2} \)
47 \( 1 + (53.2 - 9.38i)T + (2.07e3 - 755. i)T^{2} \)
53 \( 1 + 0.286iT - 2.80e3T^{2} \)
59 \( 1 + (-3.64 - 10.0i)T + (-2.66e3 + 2.23e3i)T^{2} \)
61 \( 1 + (16.4 + 93.1i)T + (-3.49e3 + 1.27e3i)T^{2} \)
67 \( 1 + (-16.2 - 13.6i)T + (779. + 4.42e3i)T^{2} \)
71 \( 1 + (89.4 + 51.6i)T + (2.52e3 + 4.36e3i)T^{2} \)
73 \( 1 + (-11.9 - 20.7i)T + (-2.66e3 + 4.61e3i)T^{2} \)
79 \( 1 + (9.54 - 8.00i)T + (1.08e3 - 6.14e3i)T^{2} \)
83 \( 1 + (-46.6 - 55.5i)T + (-1.19e3 + 6.78e3i)T^{2} \)
89 \( 1 + (-56.5 + 32.6i)T + (3.96e3 - 6.85e3i)T^{2} \)
97 \( 1 + (31.7 + 11.5i)T + (7.20e3 + 6.04e3i)T^{2} \)
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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

−15.50241018116567217989551588433, −14.44898612145760808844804441730, −12.69003592896833604905522009081, −11.47111924146167859733378686067, −10.94544763110810877905987022562, −9.262814074472917540702068752394, −8.775662894295150828143879408952, −6.40674332647220315642666910005, −4.90079029174919698940774443217, −2.80582066782917111834470299874, 1.08079542104223840868127598271, 4.66194711753177491513386636002, 6.44537674758455699603618558997, 7.40448259825040489315453313532, 8.561597079264373521874578031933, 10.38561097329307145076780886716, 11.20183071634591368519721816793, 13.01687372066844952527320525213, 13.56565974373319547601128741913, 14.90363429917253590143454441365

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