Properties

Label 2-72-1.1-c3-0-2
Degree $2$
Conductor $72$
Sign $-1$
Analytic cond. $4.24813$
Root an. cond. $2.06110$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 16·5-s − 12·7-s − 64·11-s + 58·13-s − 32·17-s − 136·19-s + 128·23-s + 131·25-s + 144·29-s + 20·31-s + 192·35-s − 18·37-s + 288·41-s − 200·43-s − 384·47-s − 199·49-s − 496·53-s + 1.02e3·55-s + 128·59-s − 458·61-s − 928·65-s − 496·67-s − 512·71-s − 602·73-s + 768·77-s + 1.10e3·79-s − 704·83-s + ⋯
L(s)  = 1  − 1.43·5-s − 0.647·7-s − 1.75·11-s + 1.23·13-s − 0.456·17-s − 1.64·19-s + 1.16·23-s + 1.04·25-s + 0.922·29-s + 0.115·31-s + 0.927·35-s − 0.0799·37-s + 1.09·41-s − 0.709·43-s − 1.19·47-s − 0.580·49-s − 1.28·53-s + 2.51·55-s + 0.282·59-s − 0.961·61-s − 1.77·65-s − 0.904·67-s − 0.855·71-s − 0.965·73-s + 1.13·77-s + 1.57·79-s − 0.931·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 72 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 72 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(72\)    =    \(2^{3} \cdot 3^{2}\)
Sign: $-1$
Analytic conductor: \(4.24813\)
Root analytic conductor: \(2.06110\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 72,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) 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 \( 1 + 16 T + p^{3} T^{2} \)
7 \( 1 + 12 T + p^{3} T^{2} \)
11 \( 1 + 64 T + p^{3} T^{2} \)
13 \( 1 - 58 T + p^{3} T^{2} \)
17 \( 1 + 32 T + p^{3} T^{2} \)
19 \( 1 + 136 T + p^{3} T^{2} \)
23 \( 1 - 128 T + p^{3} T^{2} \)
29 \( 1 - 144 T + p^{3} T^{2} \)
31 \( 1 - 20 T + p^{3} T^{2} \)
37 \( 1 + 18 T + p^{3} T^{2} \)
41 \( 1 - 288 T + p^{3} T^{2} \)
43 \( 1 + 200 T + p^{3} T^{2} \)
47 \( 1 + 384 T + p^{3} T^{2} \)
53 \( 1 + 496 T + p^{3} T^{2} \)
59 \( 1 - 128 T + p^{3} T^{2} \)
61 \( 1 + 458 T + p^{3} T^{2} \)
67 \( 1 + 496 T + p^{3} T^{2} \)
71 \( 1 + 512 T + p^{3} T^{2} \)
73 \( 1 + 602 T + p^{3} T^{2} \)
79 \( 1 - 1108 T + p^{3} T^{2} \)
83 \( 1 + 704 T + p^{3} T^{2} \)
89 \( 1 - 960 T + p^{3} T^{2} \)
97 \( 1 - 206 T + p^{3} T^{2} \)
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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

−13.27954422627707115487545887594, −12.66897900391709299165428229274, −11.22946564584215664371096424342, −10.50831679745760429627605749257, −8.699305557967416377835960778225, −7.83407924272564070339910863663, −6.43275074170128219017012341597, −4.59151567363819416300019065610, −3.12066912213893183631736665496, 0, 3.12066912213893183631736665496, 4.59151567363819416300019065610, 6.43275074170128219017012341597, 7.83407924272564070339910863663, 8.699305557967416377835960778225, 10.50831679745760429627605749257, 11.22946564584215664371096424342, 12.66897900391709299165428229274, 13.27954422627707115487545887594

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