Properties

Label 2-12e3-1.1-c3-0-25
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  − 5-s + 9·7-s − 17·11-s + 44·13-s + 56·17-s − 94·19-s + 50·23-s − 124·25-s + 30·29-s + 139·31-s − 9·35-s + 174·37-s + 318·41-s − 242·43-s + 630·47-s − 262·49-s − 547·53-s + 17·55-s − 236·59-s − 328·61-s − 44·65-s + 614·67-s − 296·71-s + 433·73-s − 153·77-s + 56·79-s − 1.22e3·83-s + ⋯
L(s)  = 1  − 0.0894·5-s + 0.485·7-s − 0.465·11-s + 0.938·13-s + 0.798·17-s − 1.13·19-s + 0.453·23-s − 0.991·25-s + 0.192·29-s + 0.805·31-s − 0.0434·35-s + 0.773·37-s + 1.21·41-s − 0.858·43-s + 1.95·47-s − 0.763·49-s − 1.41·53-s + 0.0416·55-s − 0.520·59-s − 0.688·61-s − 0.0839·65-s + 1.11·67-s − 0.494·71-s + 0.694·73-s − 0.226·77-s + 0.0797·79-s − 1.62·83-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

\(L(2)\) \(\approx\) \(2.254578312\)
\(L(\frac12)\) \(\approx\) \(2.254578312\)
\(L(\frac{5}{2})\) 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 \( 1 + T + p^{3} T^{2} \)
7 \( 1 - 9 T + p^{3} T^{2} \)
11 \( 1 + 17 T + p^{3} T^{2} \)
13 \( 1 - 44 T + p^{3} T^{2} \)
17 \( 1 - 56 T + p^{3} T^{2} \)
19 \( 1 + 94 T + p^{3} T^{2} \)
23 \( 1 - 50 T + p^{3} T^{2} \)
29 \( 1 - 30 T + p^{3} T^{2} \)
31 \( 1 - 139 T + p^{3} T^{2} \)
37 \( 1 - 174 T + p^{3} T^{2} \)
41 \( 1 - 318 T + p^{3} T^{2} \)
43 \( 1 + 242 T + p^{3} T^{2} \)
47 \( 1 - 630 T + p^{3} T^{2} \)
53 \( 1 + 547 T + p^{3} T^{2} \)
59 \( 1 + 4 p T + p^{3} T^{2} \)
61 \( 1 + 328 T + p^{3} T^{2} \)
67 \( 1 - 614 T + p^{3} T^{2} \)
71 \( 1 + 296 T + p^{3} T^{2} \)
73 \( 1 - 433 T + p^{3} T^{2} \)
79 \( 1 - 56 T + p^{3} T^{2} \)
83 \( 1 + 1225 T + p^{3} T^{2} \)
89 \( 1 - 1506 T + p^{3} T^{2} \)
97 \( 1 - 1391 T + p^{3} T^{2} \)
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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

−8.867702098867525133666652039395, −8.091418251271526788076414898607, −7.60536049498202445502558904501, −6.41775452208538138539272571620, −5.81995880824898951865698069403, −4.79251692106357293832839640725, −3.99844775888009405048899789313, −2.95754711943461076883940536528, −1.84926127163821232886193696579, −0.72550054947440261267752929175, 0.72550054947440261267752929175, 1.84926127163821232886193696579, 2.95754711943461076883940536528, 3.99844775888009405048899789313, 4.79251692106357293832839640725, 5.81995880824898951865698069403, 6.41775452208538138539272571620, 7.60536049498202445502558904501, 8.091418251271526788076414898607, 8.867702098867525133666652039395

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