Properties

Label 2-12e3-4.3-c2-0-54
Degree $2$
Conductor $1728$
Sign $-1$
Analytic cond. $47.0845$
Root an. cond. $6.86182$
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  − 0.956·5-s − 6.34i·7-s + 14.4i·11-s − 1.76·13-s + 1.34·17-s − 13.0i·19-s − 4.19i·23-s − 24.0·25-s + 38.1·29-s + 0.172i·31-s + 6.07i·35-s − 15.1·37-s − 69.3·41-s + 5.52i·43-s − 66.7i·47-s + ⋯
L(s)  = 1  − 0.191·5-s − 0.906i·7-s + 1.31i·11-s − 0.135·13-s + 0.0790·17-s − 0.685i·19-s − 0.182i·23-s − 0.963·25-s + 1.31·29-s + 0.00557i·31-s + 0.173i·35-s − 0.410·37-s − 1.69·41-s + 0.128i·43-s − 1.41i·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1728 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1728 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & -\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1728\)    =    \(2^{6} \cdot 3^{3}\)
Sign: $-1$
Analytic conductor: \(47.0845\)
Root analytic conductor: \(6.86182\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1728} (703, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1728,\ (\ :1),\ -1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.1473573169\)
\(L(\frac12)\) \(\approx\) \(0.1473573169\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
good5 \( 1 + 0.956T + 25T^{2} \)
7 \( 1 + 6.34iT - 49T^{2} \)
11 \( 1 - 14.4iT - 121T^{2} \)
13 \( 1 + 1.76T + 169T^{2} \)
17 \( 1 - 1.34T + 289T^{2} \)
19 \( 1 + 13.0iT - 361T^{2} \)
23 \( 1 + 4.19iT - 529T^{2} \)
29 \( 1 - 38.1T + 841T^{2} \)
31 \( 1 - 0.172iT - 961T^{2} \)
37 \( 1 + 15.1T + 1.36e3T^{2} \)
41 \( 1 + 69.3T + 1.68e3T^{2} \)
43 \( 1 - 5.52iT - 1.84e3T^{2} \)
47 \( 1 + 66.7iT - 2.20e3T^{2} \)
53 \( 1 - 31.6T + 2.80e3T^{2} \)
59 \( 1 - 12.2iT - 3.48e3T^{2} \)
61 \( 1 + 92.1T + 3.72e3T^{2} \)
67 \( 1 - 26.4iT - 4.48e3T^{2} \)
71 \( 1 + 85.4iT - 5.04e3T^{2} \)
73 \( 1 + 103.T + 5.32e3T^{2} \)
79 \( 1 - 68.3iT - 6.24e3T^{2} \)
83 \( 1 - 137. iT - 6.88e3T^{2} \)
89 \( 1 + 67.3T + 7.92e3T^{2} \)
97 \( 1 + 95.6T + 9.40e3T^{2} \)
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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

−8.701236289936737108616664217654, −7.86238924260280675803285068238, −7.08382367386383395720375154466, −6.63070332037289310660297056354, −5.30918191529962215774261142743, −4.52487660596404105893038771969, −3.80763850091956630491590850470, −2.59187633604016889560388280094, −1.43042810732465880947062999073, −0.03879565427560685921012873050, 1.45796478984853238768485067938, 2.73950507979496945166901248542, 3.50827926572362293592985538428, 4.62624338458929842152821164303, 5.69247247481693741523917145961, 6.08464814558111331908702638833, 7.17775409123994246290886752517, 8.219207043696273446920738855434, 8.559038225148615697020844943233, 9.461187926914897193046999877790

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