Properties

Label 2-18e2-1.1-c3-0-6
Degree $2$
Conductor $324$
Sign $1$
Analytic cond. $19.1166$
Root an. cond. $4.37225$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 13.8·5-s + 30.7·7-s + 43.9·11-s − 12.2·13-s − 76.0·17-s − 44.1·19-s + 78.6·23-s + 66.6·25-s + 92.7·29-s − 143.·31-s + 425.·35-s − 32.4·37-s + 335.·41-s − 498.·43-s + 281.·47-s + 599.·49-s + 628.·53-s + 607.·55-s − 504.·59-s + 371.·61-s − 169.·65-s − 162.·67-s − 433.·71-s − 629.·73-s + 1.34e3·77-s + 172.·79-s + 174.·83-s + ⋯
L(s)  = 1  + 1.23·5-s + 1.65·7-s + 1.20·11-s − 0.261·13-s − 1.08·17-s − 0.533·19-s + 0.712·23-s + 0.533·25-s + 0.594·29-s − 0.828·31-s + 2.05·35-s − 0.144·37-s + 1.27·41-s − 1.76·43-s + 0.874·47-s + 1.74·49-s + 1.62·53-s + 1.49·55-s − 1.11·59-s + 0.780·61-s − 0.323·65-s − 0.296·67-s − 0.724·71-s − 1.00·73-s + 1.99·77-s + 0.245·79-s + 0.231·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 324 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 324 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(324\)    =    \(2^{2} \cdot 3^{4}\)
Sign: $1$
Analytic conductor: \(19.1166\)
Root analytic conductor: \(4.37225\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 324,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(2.864931175\)
\(L(\frac12)\) \(\approx\) \(2.864931175\)
\(L(\frac{5}{2})\) 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 \( 1 - 13.8T + 125T^{2} \)
7 \( 1 - 30.7T + 343T^{2} \)
11 \( 1 - 43.9T + 1.33e3T^{2} \)
13 \( 1 + 12.2T + 2.19e3T^{2} \)
17 \( 1 + 76.0T + 4.91e3T^{2} \)
19 \( 1 + 44.1T + 6.85e3T^{2} \)
23 \( 1 - 78.6T + 1.21e4T^{2} \)
29 \( 1 - 92.7T + 2.43e4T^{2} \)
31 \( 1 + 143.T + 2.97e4T^{2} \)
37 \( 1 + 32.4T + 5.06e4T^{2} \)
41 \( 1 - 335.T + 6.89e4T^{2} \)
43 \( 1 + 498.T + 7.95e4T^{2} \)
47 \( 1 - 281.T + 1.03e5T^{2} \)
53 \( 1 - 628.T + 1.48e5T^{2} \)
59 \( 1 + 504.T + 2.05e5T^{2} \)
61 \( 1 - 371.T + 2.26e5T^{2} \)
67 \( 1 + 162.T + 3.00e5T^{2} \)
71 \( 1 + 433.T + 3.57e5T^{2} \)
73 \( 1 + 629.T + 3.89e5T^{2} \)
79 \( 1 - 172.T + 4.93e5T^{2} \)
83 \( 1 - 174.T + 5.71e5T^{2} \)
89 \( 1 + 336.T + 7.04e5T^{2} \)
97 \( 1 - 84.3T + 9.12e5T^{2} \)
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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

−11.16502808497292810386443012774, −10.33631837722078395718682948532, −9.152036577930500540670138871157, −8.607281576638410956659068198216, −7.26355717778189446115713514171, −6.25017850298695457988834554870, −5.17176860769255246391722148474, −4.23545895023832252490074674592, −2.27233095316729874050757091284, −1.37462613473195221734714052449, 1.37462613473195221734714052449, 2.27233095316729874050757091284, 4.23545895023832252490074674592, 5.17176860769255246391722148474, 6.25017850298695457988834554870, 7.26355717778189446115713514171, 8.607281576638410956659068198216, 9.152036577930500540670138871157, 10.33631837722078395718682948532, 11.16502808497292810386443012774

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