Properties

Label 2-72-1.1-c1-0-0
Degree $2$
Conductor $72$
Sign $1$
Analytic cond. $0.574922$
Root an. cond. $0.758236$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2·5-s − 4·11-s − 2·13-s − 2·17-s − 4·19-s + 8·23-s − 25-s − 6·29-s + 8·31-s + 6·37-s + 6·41-s + 4·43-s − 7·49-s + 2·53-s − 8·55-s − 4·59-s − 2·61-s − 4·65-s − 4·67-s − 8·71-s + 10·73-s − 8·79-s + 4·83-s − 4·85-s + 6·89-s − 8·95-s + 2·97-s + ⋯
L(s)  = 1  + 0.894·5-s − 1.20·11-s − 0.554·13-s − 0.485·17-s − 0.917·19-s + 1.66·23-s − 1/5·25-s − 1.11·29-s + 1.43·31-s + 0.986·37-s + 0.937·41-s + 0.609·43-s − 49-s + 0.274·53-s − 1.07·55-s − 0.520·59-s − 0.256·61-s − 0.496·65-s − 0.488·67-s − 0.949·71-s + 1.17·73-s − 0.900·79-s + 0.439·83-s − 0.433·85-s + 0.635·89-s − 0.820·95-s + 0.203·97-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(72\)    =    \(2^{3} \cdot 3^{2}\)
Sign: $1$
Analytic conductor: \(0.574922\)
Root analytic conductor: \(0.758236\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 72,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9732684211\)
\(L(\frac12)\) \(\approx\) \(0.9732684211\)
\(L(\frac{3}{2})\) 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 \( 1 - 2 T + p T^{2} \)
7 \( 1 + p T^{2} \)
11 \( 1 + 4 T + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 + 4 T + p T^{2} \)
23 \( 1 - 8 T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 - 8 T + p T^{2} \)
37 \( 1 - 6 T + p T^{2} \)
41 \( 1 - 6 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 - 2 T + p T^{2} \)
59 \( 1 + 4 T + p T^{2} \)
61 \( 1 + 2 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 + 8 T + p T^{2} \)
73 \( 1 - 10 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−14.66535545665708588625458363833, −13.38110032732463692857243615568, −12.79661702509897009228746961274, −11.17432181718975973992131540327, −10.16546244400809085298891139382, −9.065170023749915638598404079220, −7.62403207119791885504595168937, −6.14969218484336320739052245813, −4.83326855247570334999188527992, −2.51659494204614894722398853037, 2.51659494204614894722398853037, 4.83326855247570334999188527992, 6.14969218484336320739052245813, 7.62403207119791885504595168937, 9.065170023749915638598404079220, 10.16546244400809085298891139382, 11.17432181718975973992131540327, 12.79661702509897009228746961274, 13.38110032732463692857243615568, 14.66535545665708588625458363833

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