Properties

Label 2-54-9.2-c2-0-1
Degree $2$
Conductor $54$
Sign $0.904 - 0.426i$
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  + (1.22 + 0.707i)2-s + (0.999 + 1.73i)4-s + (4.5 − 2.59i)5-s + (−3.17 + 5.49i)7-s + 2.82i·8-s + 7.34·10-s + (−8.17 − 4.71i)11-s + (−9.84 − 17.0i)13-s + (−7.77 + 4.48i)14-s + (−2.00 + 3.46i)16-s + 1.90i·17-s + 4.69·19-s + (8.99 + 5.19i)20-s + (−6.67 − 11.5i)22-s + (−8.17 + 4.71i)23-s + ⋯
L(s)  = 1  + (0.612 + 0.353i)2-s + (0.249 + 0.433i)4-s + (0.900 − 0.519i)5-s + (−0.453 + 0.785i)7-s + 0.353i·8-s + 0.734·10-s + (−0.743 − 0.429i)11-s + (−0.757 − 1.31i)13-s + (−0.555 + 0.320i)14-s + (−0.125 + 0.216i)16-s + 0.112i·17-s + 0.247·19-s + (0.449 + 0.259i)20-s + (−0.303 − 0.525i)22-s + (−0.355 + 0.205i)23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 54 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.904 - 0.426i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 54 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.904 - 0.426i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(54\)    =    \(2 \cdot 3^{3}\)
Sign: $0.904 - 0.426i$
Analytic conductor: \(1.47139\)
Root analytic conductor: \(1.21301\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{54} (35, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 54,\ (\ :1),\ 0.904 - 0.426i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.56546 + 0.350845i\)
\(L(\frac12)\) \(\approx\) \(1.56546 + 0.350845i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1.22 - 0.707i)T \)
3 \( 1 \)
good5 \( 1 + (-4.5 + 2.59i)T + (12.5 - 21.6i)T^{2} \)
7 \( 1 + (3.17 - 5.49i)T + (-24.5 - 42.4i)T^{2} \)
11 \( 1 + (8.17 + 4.71i)T + (60.5 + 104. i)T^{2} \)
13 \( 1 + (9.84 + 17.0i)T + (-84.5 + 146. i)T^{2} \)
17 \( 1 - 1.90iT - 289T^{2} \)
19 \( 1 - 4.69T + 361T^{2} \)
23 \( 1 + (8.17 - 4.71i)T + (264.5 - 458. i)T^{2} \)
29 \( 1 + (-2.84 - 1.64i)T + (420.5 + 728. i)T^{2} \)
31 \( 1 + (-20.5 - 35.5i)T + (-480.5 + 832. i)T^{2} \)
37 \( 1 - 17.3T + 1.36e3T^{2} \)
41 \( 1 + (-53.5 + 30.9i)T + (840.5 - 1.45e3i)T^{2} \)
43 \( 1 + (0.477 - 0.826i)T + (-924.5 - 1.60e3i)T^{2} \)
47 \( 1 + (-12.2 - 7.05i)T + (1.10e3 + 1.91e3i)T^{2} \)
53 \( 1 - 9.53iT - 2.80e3T^{2} \)
59 \( 1 + (79.2 - 45.7i)T + (1.74e3 - 3.01e3i)T^{2} \)
61 \( 1 + (-37.5 + 65.0i)T + (-1.86e3 - 3.22e3i)T^{2} \)
67 \( 1 + (15.4 + 26.8i)T + (-2.24e3 + 3.88e3i)T^{2} \)
71 \( 1 + 85.9iT - 5.04e3T^{2} \)
73 \( 1 + 96.0T + 5.32e3T^{2} \)
79 \( 1 + (14.8 - 25.7i)T + (-3.12e3 - 5.40e3i)T^{2} \)
83 \( 1 + (-76.1 - 43.9i)T + (3.44e3 + 5.96e3i)T^{2} \)
89 \( 1 - 41.3iT - 7.92e3T^{2} \)
97 \( 1 + (47.9 - 83.0i)T + (-4.70e3 - 8.14e3i)T^{2} \)
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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

−15.27323221303044369919713619489, −13.95964822875690544166479871671, −12.96331648643574167350711311847, −12.25155142118112179990854765845, −10.48695314411271394991603011313, −9.210350850012109184743499359920, −7.82224578454848618532931742350, −5.99042078936862224261862283907, −5.18292863907704008178311093880, −2.79957378522606009976112233670, 2.43487193110263834237567461591, 4.42673951975014801029203195194, 6.14029241001700672711663948878, 7.32433086988763557207921758102, 9.612939992636769175091269424656, 10.29909810684846432399930405960, 11.64347456722610218820388027934, 12.99934847147306525485195098790, 13.85474101506675231864455963233, 14.66330513244444513122432033662

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