Properties

Label 2-3e3-1.1-c5-0-3
Degree $2$
Conductor $27$
Sign $1$
Analytic cond. $4.33036$
Root an. cond. $2.08095$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 7.34·2-s + 22·4-s + 58.7·5-s + 167·7-s − 73.4·8-s + 432·10-s − 764.·11-s − 235·13-s + 1.22e3·14-s − 1.24e3·16-s + 176.·17-s + 1.36e3·19-s + 1.29e3·20-s − 5.61e3·22-s − 2.41e3·23-s + 331·25-s − 1.72e3·26-s + 3.67e3·28-s + 470.·29-s + 3.50e3·31-s − 6.78e3·32-s + 1.29e3·34-s + 9.81e3·35-s + 1.31e4·37-s + 1.00e4·38-s − 4.32e3·40-s + 9.40e3·41-s + ⋯
L(s)  = 1  + 1.29·2-s + 0.687·4-s + 1.05·5-s + 1.28·7-s − 0.405·8-s + 1.36·10-s − 1.90·11-s − 0.385·13-s + 1.67·14-s − 1.21·16-s + 0.148·17-s + 0.864·19-s + 0.722·20-s − 2.47·22-s − 0.950·23-s + 0.105·25-s − 0.500·26-s + 0.885·28-s + 0.103·29-s + 0.654·31-s − 1.17·32-s + 0.192·34-s + 1.35·35-s + 1.57·37-s + 1.12·38-s − 0.426·40-s + 0.873·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27\)    =    \(3^{3}\)
Sign: $1$
Analytic conductor: \(4.33036\)
Root analytic conductor: \(2.08095\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 27,\ (\ :5/2),\ 1)\)

Particular Values

\(L(3)\) \(\approx\) \(2.953267688\)
\(L(\frac12)\) \(\approx\) \(2.953267688\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
good2 \( 1 - 7.34T + 32T^{2} \)
5 \( 1 - 58.7T + 3.12e3T^{2} \)
7 \( 1 - 167T + 1.68e4T^{2} \)
11 \( 1 + 764.T + 1.61e5T^{2} \)
13 \( 1 + 235T + 3.71e5T^{2} \)
17 \( 1 - 176.T + 1.41e6T^{2} \)
19 \( 1 - 1.36e3T + 2.47e6T^{2} \)
23 \( 1 + 2.41e3T + 6.43e6T^{2} \)
29 \( 1 - 470.T + 2.05e7T^{2} \)
31 \( 1 - 3.50e3T + 2.86e7T^{2} \)
37 \( 1 - 1.31e4T + 6.93e7T^{2} \)
41 \( 1 - 9.40e3T + 1.15e8T^{2} \)
43 \( 1 - 104T + 1.47e8T^{2} \)
47 \( 1 + 2.05e4T + 2.29e8T^{2} \)
53 \( 1 + 1.05e3T + 4.18e8T^{2} \)
59 \( 1 - 3.07e4T + 7.14e8T^{2} \)
61 \( 1 + 7.39e3T + 8.44e8T^{2} \)
67 \( 1 - 3.88e4T + 1.35e9T^{2} \)
71 \( 1 + 2.46e3T + 1.80e9T^{2} \)
73 \( 1 - 5.46e3T + 2.07e9T^{2} \)
79 \( 1 + 8.29e4T + 3.07e9T^{2} \)
83 \( 1 + 1.32e4T + 3.93e9T^{2} \)
89 \( 1 - 8.97e4T + 5.58e9T^{2} \)
97 \( 1 + 4.96e4T + 8.58e9T^{2} \)
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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

−15.91368349828083401634052292965, −14.66070449210053976603178890432, −13.80117634488285171658816933005, −12.89415706528061783232935454164, −11.45355905347144470119494466548, −9.935885119629252332146229310373, −7.930641282386248022984232602830, −5.74527203674604307646717345609, −4.83916291033150074860993440614, −2.44692543196522632817817329616, 2.44692543196522632817817329616, 4.83916291033150074860993440614, 5.74527203674604307646717345609, 7.930641282386248022984232602830, 9.935885119629252332146229310373, 11.45355905347144470119494466548, 12.89415706528061783232935454164, 13.80117634488285171658816933005, 14.66070449210053976603178890432, 15.91368349828083401634052292965

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