Properties

Label 2-7920-1.1-c1-0-20
Degree $2$
Conductor $7920$
Sign $1$
Analytic cond. $63.2415$
Root an. cond. $7.95245$
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  − 5-s − 11-s − 2·13-s + 6·17-s + 4·19-s + 25-s − 6·29-s + 8·31-s + 6·37-s − 10·41-s + 4·43-s − 8·47-s − 7·49-s + 10·53-s + 55-s − 12·59-s + 6·61-s + 2·65-s + 4·67-s − 14·73-s + 4·83-s − 6·85-s + 6·89-s − 4·95-s − 14·97-s + 2·101-s + 16·103-s + ⋯
L(s)  = 1  − 0.447·5-s − 0.301·11-s − 0.554·13-s + 1.45·17-s + 0.917·19-s + 1/5·25-s − 1.11·29-s + 1.43·31-s + 0.986·37-s − 1.56·41-s + 0.609·43-s − 1.16·47-s − 49-s + 1.37·53-s + 0.134·55-s − 1.56·59-s + 0.768·61-s + 0.248·65-s + 0.488·67-s − 1.63·73-s + 0.439·83-s − 0.650·85-s + 0.635·89-s − 0.410·95-s − 1.42·97-s + 0.199·101-s + 1.57·103-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7920 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7920 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7920\)    =    \(2^{4} \cdot 3^{2} \cdot 5 \cdot 11\)
Sign: $1$
Analytic conductor: \(63.2415\)
Root analytic conductor: \(7.95245\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 7920,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.706941781\)
\(L(\frac12)\) \(\approx\) \(1.706941781\)
\(L(\frac{3}{2})\) 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 \( 1 \)
5 \( 1 + T \)
11 \( 1 + T \)
good7 \( 1 + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 - 6 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 - 8 T + p T^{2} \)
37 \( 1 - 6 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 - 10 T + p T^{2} \)
59 \( 1 + 12 T + p T^{2} \)
61 \( 1 - 6 T + p T^{2} \)
67 \( 1 - 4 T + p T^{2} \)
71 \( 1 + p T^{2} \)
73 \( 1 + 14 T + p T^{2} \)
79 \( 1 + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 + 14 T + p T^{2} \)
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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

−7.79421947007216328503850475497, −7.33352655409029437479580252870, −6.50205487545078144112806337954, −5.65629670719373159910303806571, −5.08403251235291987756288455285, −4.33319488739593599837779530762, −3.37110107215072825477040449310, −2.89133388530523048009756846315, −1.70539864855025020791157306525, −0.65882221835164491685357531788, 0.65882221835164491685357531788, 1.70539864855025020791157306525, 2.89133388530523048009756846315, 3.37110107215072825477040449310, 4.33319488739593599837779530762, 5.08403251235291987756288455285, 5.65629670719373159910303806571, 6.50205487545078144112806337954, 7.33352655409029437479580252870, 7.79421947007216328503850475497

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