Properties

Label 2-12e3-24.5-c2-0-31
Degree $2$
Conductor $1728$
Sign $0.707 + 0.707i$
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  − 5.19·5-s − 5.19·7-s + 3·11-s + 10.3i·13-s − 6i·17-s − 2i·19-s + 10.3i·23-s + 2·25-s − 20.7·29-s − 36.3·31-s + 27·35-s + 51.9i·37-s − 42i·41-s − 4i·43-s + 41.5i·47-s + ⋯
L(s)  = 1  − 1.03·5-s − 0.742·7-s + 0.272·11-s + 0.799i·13-s − 0.352i·17-s − 0.105i·19-s + 0.451i·23-s + 0.0800·25-s − 0.716·29-s − 1.17·31-s + 0.771·35-s + 1.40i·37-s − 1.02i·41-s − 0.0930i·43-s + 0.884i·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1728 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.707 + 0.707i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1728 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.707 + 0.707i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1728\)    =    \(2^{6} \cdot 3^{3}\)
Sign: $0.707 + 0.707i$
Analytic conductor: \(47.0845\)
Root analytic conductor: \(6.86182\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1728} (161, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1728,\ (\ :1),\ 0.707 + 0.707i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.9056245741\)
\(L(\frac12)\) \(\approx\) \(0.9056245741\)
\(L(2)\) 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 \( 1 + 5.19T + 25T^{2} \)
7 \( 1 + 5.19T + 49T^{2} \)
11 \( 1 - 3T + 121T^{2} \)
13 \( 1 - 10.3iT - 169T^{2} \)
17 \( 1 + 6iT - 289T^{2} \)
19 \( 1 + 2iT - 361T^{2} \)
23 \( 1 - 10.3iT - 529T^{2} \)
29 \( 1 + 20.7T + 841T^{2} \)
31 \( 1 + 36.3T + 961T^{2} \)
37 \( 1 - 51.9iT - 1.36e3T^{2} \)
41 \( 1 + 42iT - 1.68e3T^{2} \)
43 \( 1 + 4iT - 1.84e3T^{2} \)
47 \( 1 - 41.5iT - 2.20e3T^{2} \)
53 \( 1 - 67.5T + 2.80e3T^{2} \)
59 \( 1 - 66T + 3.48e3T^{2} \)
61 \( 1 + 62.3iT - 3.72e3T^{2} \)
67 \( 1 - 44iT - 4.48e3T^{2} \)
71 \( 1 + 135. iT - 5.04e3T^{2} \)
73 \( 1 - 29T + 5.32e3T^{2} \)
79 \( 1 - 83.1T + 6.24e3T^{2} \)
83 \( 1 - 99T + 6.88e3T^{2} \)
89 \( 1 + 144iT - 7.92e3T^{2} \)
97 \( 1 - 31T + 9.40e3T^{2} \)
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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

−9.133249822896191015610455128809, −8.218005610343364465270152169619, −7.36540404411286353018557928791, −6.81547886988425974153306008657, −5.86869738879896376889048912438, −4.80262643029214272089788310958, −3.86575484141916367232253304916, −3.28191870447526330637374065331, −1.91159805749234970832124045807, −0.37610609030413862940739435782, 0.69361739784905529308475875591, 2.30991642006536479889722822228, 3.56236777532401550071166651735, 3.91570278331070095197260808707, 5.18977680639900272226688818818, 6.02555209841769411032804567907, 6.97375069719740101736472476046, 7.64342308959952386319056313540, 8.392391468350537452833070572179, 9.185216901821113603911357082285

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