Properties

Label 2-2e3-8.3-c32-0-26
Degree $2$
Conductor $8$
Sign $1$
Analytic cond. $51.8933$
Root an. cond. $7.20370$
Motivic weight $32$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 6.55e4·2-s + 5.70e7·3-s + 4.29e9·4-s + 3.74e12·6-s + 2.81e14·8-s + 1.40e15·9-s + 3.75e15·11-s + 2.45e17·12-s + 1.84e19·16-s + 5.72e19·17-s + 9.21e19·18-s + 2.49e20·19-s + 2.45e20·22-s + 1.60e22·24-s + 2.32e22·25-s − 2.54e22·27-s + 1.20e24·32-s + 2.14e23·33-s + 3.75e24·34-s + 6.04e24·36-s + 1.63e25·38-s − 1.26e26·41-s − 2.36e26·43-s + 1.61e25·44-s + 1.05e27·48-s + 1.10e27·49-s + 1.52e27·50-s + ⋯
L(s)  = 1  + 2-s + 1.32·3-s + 4-s + 1.32·6-s + 8-s + 0.759·9-s + 0.0816·11-s + 1.32·12-s + 16-s + 1.17·17-s + 0.759·18-s + 0.863·19-s + 0.0816·22-s + 1.32·24-s + 25-s − 0.319·27-s + 32-s + 0.108·33-s + 1.17·34-s + 0.759·36-s + 0.863·38-s − 1.98·41-s − 1.73·43-s + 0.0816·44-s + 1.32·48-s + 49-s + 50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(33-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s+16) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8\)    =    \(2^{3}\)
Sign: $1$
Analytic conductor: \(51.8933\)
Root analytic conductor: \(7.20370\)
Motivic weight: \(32\)
Rational: yes
Arithmetic: yes
Character: $\chi_{8} (3, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 8,\ (\ :16),\ 1)\)

Particular Values

\(L(\frac{33}{2})\) \(\approx\) \(7.123437892\)
\(L(\frac12)\) \(\approx\) \(7.123437892\)
\(L(17)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p^{16} T \)
good3 \( 1 - 57091714 T + p^{32} T^{2} \)
5 \( ( 1 - p^{16} T )( 1 + p^{16} T ) \)
7 \( ( 1 - p^{16} T )( 1 + p^{16} T ) \)
11 \( 1 - 3750819928010114 T + p^{32} T^{2} \)
13 \( ( 1 - p^{16} T )( 1 + p^{16} T ) \)
17 \( 1 - 57264303392945459714 T + p^{32} T^{2} \)
19 \( 1 - \)\(24\!\cdots\!34\)\( T + p^{32} T^{2} \)
23 \( ( 1 - p^{16} T )( 1 + p^{16} T ) \)
29 \( ( 1 - p^{16} T )( 1 + p^{16} T ) \)
31 \( ( 1 - p^{16} T )( 1 + p^{16} T ) \)
37 \( ( 1 - p^{16} T )( 1 + p^{16} T ) \)
41 \( 1 + \)\(12\!\cdots\!46\)\( T + p^{32} T^{2} \)
43 \( 1 + \)\(23\!\cdots\!98\)\( T + p^{32} T^{2} \)
47 \( ( 1 - p^{16} T )( 1 + p^{16} T ) \)
53 \( ( 1 - p^{16} T )( 1 + p^{16} T ) \)
59 \( 1 - \)\(41\!\cdots\!82\)\( T + p^{32} T^{2} \)
61 \( ( 1 - p^{16} T )( 1 + p^{16} T ) \)
67 \( 1 - \)\(51\!\cdots\!34\)\( T + p^{32} T^{2} \)
71 \( ( 1 - p^{16} T )( 1 + p^{16} T ) \)
73 \( 1 + \)\(10\!\cdots\!06\)\( T + p^{32} T^{2} \)
79 \( ( 1 - p^{16} T )( 1 + p^{16} T ) \)
83 \( 1 - \)\(27\!\cdots\!94\)\( T + p^{32} T^{2} \)
89 \( 1 + \)\(29\!\cdots\!46\)\( T + p^{32} T^{2} \)
97 \( 1 + \)\(29\!\cdots\!58\)\( T + p^{32} T^{2} \)
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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

−14.27592842400826640561785646283, −13.28693527041105297313448455071, −11.84799085383215384315704267919, −10.02932354157754562046464944805, −8.346918114322761883070107526701, −7.07329669497693029954449383948, −5.28497410607252547266957829421, −3.65624379022894930503600224716, −2.81274892269836667526510958449, −1.43373109151404335645499216578, 1.43373109151404335645499216578, 2.81274892269836667526510958449, 3.65624379022894930503600224716, 5.28497410607252547266957829421, 7.07329669497693029954449383948, 8.346918114322761883070107526701, 10.02932354157754562046464944805, 11.84799085383215384315704267919, 13.28693527041105297313448455071, 14.27592842400826640561785646283

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