Properties

Label 2-8256-1.1-c1-0-33
Degree $2$
Conductor $8256$
Sign $1$
Analytic cond. $65.9244$
Root an. cond. $8.11938$
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  − 3-s − 2·5-s − 2·7-s + 9-s + 6·13-s + 2·15-s + 6·17-s + 4·19-s + 2·21-s − 2·23-s − 25-s − 27-s + 6·29-s − 8·31-s + 4·35-s + 8·37-s − 6·39-s + 6·41-s + 43-s − 2·45-s − 2·47-s − 3·49-s − 6·51-s − 12·53-s − 4·57-s + 8·59-s − 8·61-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.894·5-s − 0.755·7-s + 1/3·9-s + 1.66·13-s + 0.516·15-s + 1.45·17-s + 0.917·19-s + 0.436·21-s − 0.417·23-s − 1/5·25-s − 0.192·27-s + 1.11·29-s − 1.43·31-s + 0.676·35-s + 1.31·37-s − 0.960·39-s + 0.937·41-s + 0.152·43-s − 0.298·45-s − 0.291·47-s − 3/7·49-s − 0.840·51-s − 1.64·53-s − 0.529·57-s + 1.04·59-s − 1.02·61-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8256 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8256 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8256\)    =    \(2^{6} \cdot 3 \cdot 43\)
Sign: $1$
Analytic conductor: \(65.9244\)
Root analytic conductor: \(8.11938\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 8256,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.323547698\)
\(L(\frac12)\) \(\approx\) \(1.323547698\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$Isogeny Class over $\mathbf{F}_p$
bad2 \( 1 \)
3 \( 1 + T \)
43 \( 1 - T \)
good5 \( 1 + 2 T + p T^{2} \) 1.5.c
7 \( 1 + 2 T + p T^{2} \) 1.7.c
11 \( 1 + p T^{2} \) 1.11.a
13 \( 1 - 6 T + p T^{2} \) 1.13.ag
17 \( 1 - 6 T + p T^{2} \) 1.17.ag
19 \( 1 - 4 T + p T^{2} \) 1.19.ae
23 \( 1 + 2 T + p T^{2} \) 1.23.c
29 \( 1 - 6 T + p T^{2} \) 1.29.ag
31 \( 1 + 8 T + p T^{2} \) 1.31.i
37 \( 1 - 8 T + p T^{2} \) 1.37.ai
41 \( 1 - 6 T + p T^{2} \) 1.41.ag
47 \( 1 + 2 T + p T^{2} \) 1.47.c
53 \( 1 + 12 T + p T^{2} \) 1.53.m
59 \( 1 - 8 T + p T^{2} \) 1.59.ai
61 \( 1 + 8 T + p T^{2} \) 1.61.i
67 \( 1 - 12 T + p T^{2} \) 1.67.am
71 \( 1 - 8 T + p T^{2} \) 1.71.ai
73 \( 1 + 6 T + p T^{2} \) 1.73.g
79 \( 1 + 4 T + p T^{2} \) 1.79.e
83 \( 1 + 4 T + p T^{2} \) 1.83.e
89 \( 1 + 6 T + p T^{2} \) 1.89.g
97 \( 1 - 14 T + p T^{2} \) 1.97.ao
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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

−7.84361416221708167270476836121, −7.15093889058481373399329505929, −6.26298458146440518268581453940, −5.89793255006229174859407262053, −5.10371010153033600597674759928, −4.08317912738990129898482139403, −3.59412705396114273825373123773, −2.95618601672140055443950487370, −1.44700622859980288853212475386, −0.63556009529059807189390205252, 0.63556009529059807189390205252, 1.44700622859980288853212475386, 2.95618601672140055443950487370, 3.59412705396114273825373123773, 4.08317912738990129898482139403, 5.10371010153033600597674759928, 5.89793255006229174859407262053, 6.26298458146440518268581453940, 7.15093889058481373399329505929, 7.84361416221708167270476836121

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