Properties

Label 2-387-43.42-c2-0-20
Degree $2$
Conductor $387$
Sign $1$
Analytic cond. $10.5449$
Root an. cond. $3.24730$
Motivic weight $2$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 4·4-s + 21·11-s − 17·13-s + 16·16-s + 9·17-s − 3·23-s + 25·25-s + 19·31-s − 39·41-s − 43·43-s + 84·44-s + 78·47-s + 49·49-s − 68·52-s − 63·53-s + 54·59-s + 64·64-s + 91·67-s + 36·68-s − 14·79-s − 123·83-s − 12·92-s − 193·97-s + 100·100-s − 159·101-s − 181·103-s − 42·107-s + ⋯
L(s)  = 1  + 4-s + 1.90·11-s − 1.30·13-s + 16-s + 9/17·17-s − 0.130·23-s + 25-s + 0.612·31-s − 0.951·41-s − 43-s + 1.90·44-s + 1.65·47-s + 49-s − 1.30·52-s − 1.18·53-s + 0.915·59-s + 64-s + 1.35·67-s + 9/17·68-s − 0.177·79-s − 1.48·83-s − 0.130·92-s − 1.98·97-s + 100-s − 1.57·101-s − 1.75·103-s − 0.392·107-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 387 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(387\)    =    \(3^{2} \cdot 43\)
Sign: $1$
Analytic conductor: \(10.5449\)
Root analytic conductor: \(3.24730\)
Motivic weight: \(2\)
Rational: yes
Arithmetic: yes
Character: $\chi_{387} (343, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 387,\ (\ :1),\ 1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.305088484\)
\(L(\frac12)\) \(\approx\) \(2.305088484\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
43 \( 1 + p T \)
good2 \( ( 1 - p T )( 1 + p T ) \)
5 \( ( 1 - p T )( 1 + p T ) \)
7 \( ( 1 - p T )( 1 + p T ) \)
11 \( 1 - 21 T + p^{2} T^{2} \)
13 \( 1 + 17 T + p^{2} T^{2} \)
17 \( 1 - 9 T + p^{2} T^{2} \)
19 \( ( 1 - p T )( 1 + p T ) \)
23 \( 1 + 3 T + p^{2} T^{2} \)
29 \( ( 1 - p T )( 1 + p T ) \)
31 \( 1 - 19 T + p^{2} T^{2} \)
37 \( ( 1 - p T )( 1 + p T ) \)
41 \( 1 + 39 T + p^{2} T^{2} \)
47 \( 1 - 78 T + p^{2} T^{2} \)
53 \( 1 + 63 T + p^{2} T^{2} \)
59 \( 1 - 54 T + p^{2} T^{2} \)
61 \( ( 1 - p T )( 1 + p T ) \)
67 \( 1 - 91 T + p^{2} T^{2} \)
71 \( ( 1 - p T )( 1 + p T ) \)
73 \( ( 1 - p T )( 1 + p T ) \)
79 \( 1 + 14 T + p^{2} T^{2} \)
83 \( 1 + 123 T + p^{2} T^{2} \)
89 \( ( 1 - p T )( 1 + p T ) \)
97 \( 1 + 193 T + p^{2} T^{2} \)
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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

−11.25044150787781939639381284021, −10.19557427297173655848752306076, −9.412508172947311189847837583100, −8.277140290397387096617856577829, −7.07867103715640404421556001380, −6.61545512344545415078049133458, −5.37609669643299440829738158459, −3.99424623108223917905424003768, −2.71989431861053188899707025193, −1.33151835608797037147591353617, 1.33151835608797037147591353617, 2.71989431861053188899707025193, 3.99424623108223917905424003768, 5.37609669643299440829738158459, 6.61545512344545415078049133458, 7.07867103715640404421556001380, 8.277140290397387096617856577829, 9.412508172947311189847837583100, 10.19557427297173655848752306076, 11.25044150787781939639381284021

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