Properties

Label 2-12e3-3.2-c2-0-19
Degree $2$
Conductor $1728$
Sign $1$
Analytic cond. $47.0845$
Root an. cond. $6.86182$
Motivic weight $2$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 11·7-s − 23·13-s − 37·19-s + 25·25-s + 46·31-s + 73·37-s − 22·43-s + 72·49-s − 47·61-s − 13·67-s + 143·73-s − 11·79-s + 253·91-s − 169·97-s + 157·103-s + 214·109-s + ⋯
L(s)  = 1  − 1.57·7-s − 1.76·13-s − 1.94·19-s + 25-s + 1.48·31-s + 1.97·37-s − 0.511·43-s + 1.46·49-s − 0.770·61-s − 0.194·67-s + 1.95·73-s − 0.139·79-s + 2.78·91-s − 1.74·97-s + 1.52·103-s + 1.96·109-s + ⋯

Functional equation

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

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: yes
Arithmetic: yes
Character: $\chi_{1728} (1025, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1728,\ (\ :1),\ 1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(0.9345057752\)
\(L(\frac12)\) \(\approx\) \(0.9345057752\)
\(L(2)\) 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 \( ( 1 - p T )( 1 + p T ) \)
7 \( 1 + 11 T + p^{2} T^{2} \)
11 \( ( 1 - p T )( 1 + p T ) \)
13 \( 1 + 23 T + p^{2} T^{2} \)
17 \( ( 1 - p T )( 1 + p T ) \)
19 \( 1 + 37 T + p^{2} T^{2} \)
23 \( ( 1 - p T )( 1 + p T ) \)
29 \( ( 1 - p T )( 1 + p T ) \)
31 \( 1 - 46 T + p^{2} T^{2} \)
37 \( 1 - 73 T + p^{2} T^{2} \)
41 \( ( 1 - p T )( 1 + p T ) \)
43 \( 1 + 22 T + p^{2} T^{2} \)
47 \( ( 1 - p T )( 1 + p T ) \)
53 \( ( 1 - p T )( 1 + p T ) \)
59 \( ( 1 - p T )( 1 + p T ) \)
61 \( 1 + 47 T + p^{2} T^{2} \)
67 \( 1 + 13 T + p^{2} T^{2} \)
71 \( ( 1 - p T )( 1 + p T ) \)
73 \( 1 - 143 T + p^{2} T^{2} \)
79 \( 1 + 11 T + p^{2} T^{2} \)
83 \( ( 1 - p T )( 1 + p T ) \)
89 \( ( 1 - p T )( 1 + p T ) \)
97 \( 1 + 169 T + p^{2} T^{2} \)
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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

−9.279763720288012814431993250947, −8.403641712623959853545594974365, −7.46101494986081213231261223752, −6.57896858909440005116418770661, −6.21391593609302191926128632717, −4.92318939010656033368044513128, −4.18745093350585495477722553864, −2.96312659714924292841657889967, −2.35514317189522414761135866902, −0.49954522553053975745240448576, 0.49954522553053975745240448576, 2.35514317189522414761135866902, 2.96312659714924292841657889967, 4.18745093350585495477722553864, 4.92318939010656033368044513128, 6.21391593609302191926128632717, 6.57896858909440005116418770661, 7.46101494986081213231261223752, 8.403641712623959853545594974365, 9.279763720288012814431993250947

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