Properties

Label 2-3978-1.1-c1-0-33
Degree $2$
Conductor $3978$
Sign $1$
Analytic cond. $31.7644$
Root an. cond. $5.63599$
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-s + 4-s + 2·5-s + 8-s + 2·10-s + 13-s + 16-s − 17-s + 2·20-s − 25-s + 26-s + 2·29-s + 8·31-s + 32-s − 34-s + 10·37-s + 2·40-s + 6·41-s − 4·43-s + 8·47-s − 7·49-s − 50-s + 52-s + 2·53-s + 2·58-s + 4·59-s − 10·61-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s + 0.894·5-s + 0.353·8-s + 0.632·10-s + 0.277·13-s + 1/4·16-s − 0.242·17-s + 0.447·20-s − 1/5·25-s + 0.196·26-s + 0.371·29-s + 1.43·31-s + 0.176·32-s − 0.171·34-s + 1.64·37-s + 0.316·40-s + 0.937·41-s − 0.609·43-s + 1.16·47-s − 49-s − 0.141·50-s + 0.138·52-s + 0.274·53-s + 0.262·58-s + 0.520·59-s − 1.28·61-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 3978 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 3978 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(3978\)    =    \(2 \cdot 3^{2} \cdot 13 \cdot 17\)
Sign: $1$
Analytic conductor: \(31.7644\)
Root analytic conductor: \(5.63599\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 3978,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.836383042\)
\(L(\frac12)\) \(\approx\) \(3.836383042\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
3 \( 1 \)
13 \( 1 - T \)
17 \( 1 + T \)
good5 \( 1 - 2 T + p T^{2} \)
7 \( 1 + p T^{2} \)
11 \( 1 + p T^{2} \)
19 \( 1 + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 - 2 T + p T^{2} \)
31 \( 1 - 8 T + p T^{2} \)
37 \( 1 - 10 T + p T^{2} \)
41 \( 1 - 6 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 - 2 T + p T^{2} \)
59 \( 1 - 4 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 - 8 T + p T^{2} \)
71 \( 1 - 12 T + p T^{2} \)
73 \( 1 - 6 T + p T^{2} \)
79 \( 1 + 8 T + p T^{2} \)
83 \( 1 + 12 T + p T^{2} \)
89 \( 1 - 10 T + p T^{2} \)
97 \( 1 - 6 T + p T^{2} \)
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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

−8.349075713869114964617851030605, −7.69848340965912357010192540613, −6.67658910432642137189037903452, −6.19526021335418308400003649059, −5.53265123890702070276610187771, −4.68728429723521121006940415248, −3.97045121261786692214956305782, −2.87292729806150489106541111120, −2.19892207420390815799712979776, −1.06689533391547720689125103096, 1.06689533391547720689125103096, 2.19892207420390815799712979776, 2.87292729806150489106541111120, 3.97045121261786692214956305782, 4.68728429723521121006940415248, 5.53265123890702070276610187771, 6.19526021335418308400003649059, 6.67658910432642137189037903452, 7.69848340965912357010192540613, 8.349075713869114964617851030605

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