Properties

Label 2-72-1.1-c7-0-2
Degree $2$
Conductor $72$
Sign $1$
Analytic cond. $22.4917$
Root an. cond. $4.74254$
Motivic weight $7$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 26·5-s + 1.05e3·7-s − 6.41e3·11-s + 5.20e3·13-s + 6.23e3·17-s + 4.14e4·19-s + 2.94e4·23-s − 7.74e4·25-s + 2.10e5·29-s + 1.85e5·31-s + 2.74e4·35-s + 5.07e5·37-s − 3.60e5·41-s + 6.20e5·43-s + 8.47e5·47-s + 2.91e5·49-s − 1.42e6·53-s − 1.66e5·55-s + 2.54e6·59-s − 7.06e5·61-s + 1.35e5·65-s − 2.41e6·67-s − 2.65e5·71-s − 5.79e6·73-s − 6.77e6·77-s + 2.95e6·79-s − 3.46e6·83-s + ⋯
L(s)  = 1  + 0.0930·5-s + 1.16·7-s − 1.45·11-s + 0.657·13-s + 0.307·17-s + 1.38·19-s + 0.504·23-s − 0.991·25-s + 1.60·29-s + 1.11·31-s + 0.108·35-s + 1.64·37-s − 0.815·41-s + 1.18·43-s + 1.19·47-s + 0.354·49-s − 1.31·53-s − 0.135·55-s + 1.61·59-s − 0.398·61-s + 0.0611·65-s − 0.982·67-s − 0.0881·71-s − 1.74·73-s − 1.69·77-s + 0.674·79-s − 0.664·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 72 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(8-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 72 ^{s/2} \, \Gamma_{\C}(s+7/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(72\)    =    \(2^{3} \cdot 3^{2}\)
Sign: $1$
Analytic conductor: \(22.4917\)
Root analytic conductor: \(4.74254\)
Motivic weight: \(7\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 72,\ (\ :7/2),\ 1)\)

Particular Values

\(L(4)\) \(\approx\) \(2.210233427\)
\(L(\frac12)\) \(\approx\) \(2.210233427\)
\(L(\frac{9}{2})\) 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 \( 1 - 26 T + p^{7} T^{2} \)
7 \( 1 - 1056 T + p^{7} T^{2} \)
11 \( 1 + 6412 T + p^{7} T^{2} \)
13 \( 1 - 5206 T + p^{7} T^{2} \)
17 \( 1 - 6238 T + p^{7} T^{2} \)
19 \( 1 - 41492 T + p^{7} T^{2} \)
23 \( 1 - 29432 T + p^{7} T^{2} \)
29 \( 1 - 210498 T + p^{7} T^{2} \)
31 \( 1 - 185240 T + p^{7} T^{2} \)
37 \( 1 - 507630 T + p^{7} T^{2} \)
41 \( 1 + 360042 T + p^{7} T^{2} \)
43 \( 1 - 620044 T + p^{7} T^{2} \)
47 \( 1 - 847680 T + p^{7} T^{2} \)
53 \( 1 + 1423750 T + p^{7} T^{2} \)
59 \( 1 - 2548724 T + p^{7} T^{2} \)
61 \( 1 + 706058 T + p^{7} T^{2} \)
67 \( 1 + 2418796 T + p^{7} T^{2} \)
71 \( 1 + 265976 T + p^{7} T^{2} \)
73 \( 1 + 5791238 T + p^{7} T^{2} \)
79 \( 1 - 2955688 T + p^{7} T^{2} \)
83 \( 1 + 3462932 T + p^{7} T^{2} \)
89 \( 1 - 2211126 T + p^{7} T^{2} \)
97 \( 1 + 15594814 T + p^{7} T^{2} \)
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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

−13.35995821846221478854343908604, −11.96845050790699125363837039241, −10.99416781275053200170176190645, −9.919673373035440319231734896658, −8.357475860883198387031992486062, −7.56817876632869140362423006323, −5.75926119734725558158135432958, −4.64649807253348555979505098489, −2.76058037610974394286710588709, −1.07269955099675561682148079663, 1.07269955099675561682148079663, 2.76058037610974394286710588709, 4.64649807253348555979505098489, 5.75926119734725558158135432958, 7.56817876632869140362423006323, 8.357475860883198387031992486062, 9.919673373035440319231734896658, 10.99416781275053200170176190645, 11.96845050790699125363837039241, 13.35995821846221478854343908604

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