Properties

Label 2-12e3-3.2-c2-0-48
Degree $2$
Conductor $1728$
Sign $i$
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  − 6.61i·5-s + 9.43·7-s + 17.6i·11-s − 20.6·13-s − 16.0i·17-s + 12.2·19-s − 26.6i·23-s − 18.6·25-s − 0.921i·29-s + 53.7·31-s − 62.3i·35-s + 64.0·37-s − 19.7i·41-s − 69.7·43-s − 0.606i·47-s + ⋯
L(s)  = 1  − 1.32i·5-s + 1.34·7-s + 1.60i·11-s − 1.59·13-s − 0.944i·17-s + 0.647·19-s − 1.16i·23-s − 0.747·25-s − 0.0317i·29-s + 1.73·31-s − 1.78i·35-s + 1.73·37-s − 0.482i·41-s − 1.62·43-s − 0.0128i·47-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(1728\)    =    \(2^{6} \cdot 3^{3}\)
Sign: $i$
Analytic conductor: \(47.0845\)
Root analytic conductor: \(6.86182\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1728} (1025, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1728,\ (\ :1),\ i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.030022195\)
\(L(\frac12)\) \(\approx\) \(2.030022195\)
\(L(2)\) 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 \( 1 + 6.61iT - 25T^{2} \)
7 \( 1 - 9.43T + 49T^{2} \)
11 \( 1 - 17.6iT - 121T^{2} \)
13 \( 1 + 20.6T + 169T^{2} \)
17 \( 1 + 16.0iT - 289T^{2} \)
19 \( 1 - 12.2T + 361T^{2} \)
23 \( 1 + 26.6iT - 529T^{2} \)
29 \( 1 + 0.921iT - 841T^{2} \)
31 \( 1 - 53.7T + 961T^{2} \)
37 \( 1 - 64.0T + 1.36e3T^{2} \)
41 \( 1 + 19.7iT - 1.68e3T^{2} \)
43 \( 1 + 69.7T + 1.84e3T^{2} \)
47 \( 1 + 0.606iT - 2.20e3T^{2} \)
53 \( 1 + 45.3iT - 2.80e3T^{2} \)
59 \( 1 + 71.3iT - 3.48e3T^{2} \)
61 \( 1 - 4T + 3.72e3T^{2} \)
67 \( 1 + 7.43T + 4.48e3T^{2} \)
71 \( 1 + 27.3iT - 5.04e3T^{2} \)
73 \( 1 - 6.30T + 5.32e3T^{2} \)
79 \( 1 + 42.6T + 6.24e3T^{2} \)
83 \( 1 + 72.3iT - 6.88e3T^{2} \)
89 \( 1 + 126. iT - 7.92e3T^{2} \)
97 \( 1 - 27T + 9.40e3T^{2} \)
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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

−8.936847652665717429791592790522, −8.050029314875880706613784574368, −7.58216528237321194363788815233, −6.68746822408359464462633428286, −5.20328020249365014119067163856, −4.71196886553064058293025682932, −4.53338439786524067148189753332, −2.59468564125321312912494968264, −1.73995600075720612564854466915, −0.57698040855371956292582442167, 1.19585967816687403301798918515, 2.52020482393453193336510974908, 3.20527292750213182473308051258, 4.36265956206616400107793637084, 5.33782053400004793932224779378, 6.11435267329557235129040822386, 7.01173251253196321209836581257, 7.892450465342297622177040540556, 8.211974043092212084344041120966, 9.433972465677146110060975130851

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