Properties

Label 2-6e3-8.5-c1-0-0
Degree $2$
Conductor $216$
Sign $-1$
Analytic cond. $1.72476$
Root an. cond. $1.31330$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.41i·2-s − 2.00·4-s + 1.58i·5-s − 5.24·7-s − 2.82i·8-s − 2.24·10-s + 5.82i·11-s − 7.41i·14-s + 4.00·16-s − 3.17i·20-s − 8.24·22-s + 2.48·25-s + 10.4·28-s + 2.82i·29-s + 0.757·31-s + 5.65i·32-s + ⋯
L(s)  = 1  + 0.999i·2-s − 1.00·4-s + 0.709i·5-s − 1.98·7-s − 1.00i·8-s − 0.709·10-s + 1.75i·11-s − 1.98i·14-s + 1.00·16-s − 0.709i·20-s − 1.75·22-s + 0.497·25-s + 1.98·28-s + 0.525i·29-s + 0.136·31-s + 1.00i·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 216 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 216 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(216\)    =    \(2^{3} \cdot 3^{3}\)
Sign: $-1$
Analytic conductor: \(1.72476\)
Root analytic conductor: \(1.31330\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{216} (109, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 216,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(\approx\) \(-0.659991i\)
\(L(\frac12)\) \(\approx\) \(-0.659991i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - 1.41iT \)
3 \( 1 \)
good5 \( 1 - 1.58iT - 5T^{2} \)
7 \( 1 + 5.24T + 7T^{2} \)
11 \( 1 - 5.82iT - 11T^{2} \)
13 \( 1 - 13T^{2} \)
17 \( 1 + 17T^{2} \)
19 \( 1 - 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 - 2.82iT - 29T^{2} \)
31 \( 1 - 0.757T + 31T^{2} \)
37 \( 1 - 37T^{2} \)
41 \( 1 + 41T^{2} \)
43 \( 1 - 43T^{2} \)
47 \( 1 + 47T^{2} \)
53 \( 1 - 10.0iT - 53T^{2} \)
59 \( 1 - 11.3iT - 59T^{2} \)
61 \( 1 - 61T^{2} \)
67 \( 1 - 67T^{2} \)
71 \( 1 + 71T^{2} \)
73 \( 1 - 1.48T + 73T^{2} \)
79 \( 1 + 10T + 79T^{2} \)
83 \( 1 + 12.1iT - 83T^{2} \)
89 \( 1 + 89T^{2} \)
97 \( 1 + 17.9T + 97T^{2} \)
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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

−12.83555349841965283620104943401, −12.30748800919841413833573223916, −10.39320881627126453535271634121, −9.798770639711175160629424131398, −8.966689318783669584270217950417, −7.29094383179781281497956501507, −6.88077449914203091387254420731, −5.89356311258118591278667320640, −4.35202359523443786773244670771, −3.02891429392479997191239342200, 0.55514023329223631181035262769, 2.92247024654684937327965633141, 3.80586137743114081422903519392, 5.43491966857946917100599255991, 6.45991083049453539210012708206, 8.293053947003363519032759692182, 9.105680329696175831997801724570, 9.868296806403300730550566256931, 10.87612996371669371434773784733, 11.92051130217156658328379194318

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