Properties

Label 2-12e3-3.2-c2-0-21
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  − 13·7-s + 13-s − 11·19-s + 25·25-s − 46·31-s − 47·37-s + 22·43-s + 120·49-s + 121·61-s + 109·67-s − 97·73-s + 131·79-s − 13·91-s + 167·97-s − 37·103-s + 214·109-s + ⋯
L(s)  = 1  − 1.85·7-s + 1/13·13-s − 0.578·19-s + 25-s − 1.48·31-s − 1.27·37-s + 0.511·43-s + 2.44·49-s + 1.98·61-s + 1.62·67-s − 1.32·73-s + 1.65·79-s − 1/7·91-s + 1.72·97-s − 0.359·103-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

\(L(\frac{3}{2})\) \(\approx\) \(1.134380994\)
\(L(\frac12)\) \(\approx\) \(1.134380994\)
\(L(2)\) 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 \( 1 + 13 T + p^{2} T^{2} \)
11 \( ( 1 - p T )( 1 + p T ) \)
13 \( 1 - T + p^{2} T^{2} \)
17 \( ( 1 - p T )( 1 + p T ) \)
19 \( 1 + 11 T + p^{2} T^{2} \)
23 \( ( 1 - p T )( 1 + p T ) \)
29 \( ( 1 - p T )( 1 + p T ) \)
31 \( 1 + 46 T + p^{2} T^{2} \)
37 \( 1 + 47 T + p^{2} T^{2} \)
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 \( 1 - 121 T + p^{2} T^{2} \)
67 \( 1 - 109 T + p^{2} T^{2} \)
71 \( ( 1 - p T )( 1 + p T ) \)
73 \( 1 + 97 T + p^{2} T^{2} \)
79 \( 1 - 131 T + p^{2} T^{2} \)
83 \( ( 1 - p T )( 1 + p T ) \)
89 \( ( 1 - p T )( 1 + p T ) \)
97 \( 1 - 167 T + p^{2} T^{2} \)
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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

−9.123801051846413103330406610828, −8.581542413894096776602464967478, −7.31632803758994342277649741183, −6.75334856964734995500111286248, −6.03350481902915107763072277818, −5.14416190105392918223198545584, −3.87558196289165821760800651259, −3.26319864202481880782879530014, −2.19964461885454952227107203126, −0.56120774588241737555213711845, 0.56120774588241737555213711845, 2.19964461885454952227107203126, 3.26319864202481880782879530014, 3.87558196289165821760800651259, 5.14416190105392918223198545584, 6.03350481902915107763072277818, 6.75334856964734995500111286248, 7.31632803758994342277649741183, 8.581542413894096776602464967478, 9.123801051846413103330406610828

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