Properties

Label 2-12e3-1.1-c3-0-21
Degree $2$
Conductor $1728$
Sign $1$
Analytic cond. $101.955$
Root an. cond. $10.0972$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 17·7-s − 89·13-s − 107·19-s − 125·25-s + 308·31-s + 433·37-s + 520·43-s − 54·49-s + 901·61-s − 1.00e3·67-s − 271·73-s + 503·79-s − 1.51e3·91-s + 1.85e3·97-s − 19·103-s + 646·109-s + ⋯
L(s)  = 1  + 0.917·7-s − 1.89·13-s − 1.29·19-s − 25-s + 1.78·31-s + 1.92·37-s + 1.84·43-s − 0.157·49-s + 1.89·61-s − 1.83·67-s − 0.434·73-s + 0.716·79-s − 1.74·91-s + 1.93·97-s − 0.0181·103-s + 0.567·109-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1728 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1728 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1728\)    =    \(2^{6} \cdot 3^{3}\)
Sign: $1$
Analytic conductor: \(101.955\)
Root analytic conductor: \(10.0972\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1728,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(1.919323602\)
\(L(\frac12)\) \(\approx\) \(1.919323602\)
\(L(\frac{5}{2})\) 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 \( 1 + p^{3} T^{2} \)
7 \( 1 - 17 T + p^{3} T^{2} \)
11 \( 1 + p^{3} T^{2} \)
13 \( 1 + 89 T + p^{3} T^{2} \)
17 \( 1 + p^{3} T^{2} \)
19 \( 1 + 107 T + p^{3} T^{2} \)
23 \( 1 + p^{3} T^{2} \)
29 \( 1 + p^{3} T^{2} \)
31 \( 1 - 308 T + p^{3} T^{2} \)
37 \( 1 - 433 T + p^{3} T^{2} \)
41 \( 1 + p^{3} T^{2} \)
43 \( 1 - 520 T + p^{3} T^{2} \)
47 \( 1 + p^{3} T^{2} \)
53 \( 1 + p^{3} T^{2} \)
59 \( 1 + p^{3} T^{2} \)
61 \( 1 - 901 T + p^{3} T^{2} \)
67 \( 1 + 1007 T + p^{3} T^{2} \)
71 \( 1 + p^{3} T^{2} \)
73 \( 1 + 271 T + p^{3} T^{2} \)
79 \( 1 - 503 T + p^{3} T^{2} \)
83 \( 1 + p^{3} T^{2} \)
89 \( 1 + p^{3} T^{2} \)
97 \( 1 - 1853 T + p^{3} T^{2} \)
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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

−8.955669921499257343960176174911, −7.968790456410313402300298963552, −7.61652506631906012275308334162, −6.56545592702989265554532401631, −5.69567164603722165861199032355, −4.64990097885455793609559870758, −4.28180537689561779652291402681, −2.69126841543013924088549871818, −2.05012142655228164502731962092, −0.64169872504736194092209789466, 0.64169872504736194092209789466, 2.05012142655228164502731962092, 2.69126841543013924088549871818, 4.28180537689561779652291402681, 4.64990097885455793609559870758, 5.69567164603722165861199032355, 6.56545592702989265554532401631, 7.61652506631906012275308334162, 7.968790456410313402300298963552, 8.955669921499257343960176174911

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