Properties

Label 2-2e3-8.3-c28-0-17
Degree $2$
Conductor $8$
Sign $1$
Analytic cond. $39.7347$
Root an. cond. $6.30355$
Motivic weight $28$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.63e4·2-s − 4.33e5·3-s + 2.68e8·4-s − 7.10e9·6-s + 4.39e12·8-s − 2.26e13·9-s + 7.39e14·11-s − 1.16e14·12-s + 7.20e16·16-s − 2.28e17·17-s − 3.71e17·18-s + 1.56e18·19-s + 1.21e19·22-s − 1.90e18·24-s + 3.72e19·25-s + 1.97e19·27-s + 1.18e21·32-s − 3.20e20·33-s − 3.74e21·34-s − 6.09e21·36-s + 2.56e22·38-s + 3.52e22·41-s + 9.72e22·43-s + 1.98e23·44-s − 3.12e22·48-s + 4.59e23·49-s + 6.10e23·50-s + ⋯
L(s)  = 1  + 2-s − 0.0906·3-s + 4-s − 0.0906·6-s + 8-s − 0.991·9-s + 1.94·11-s − 0.0906·12-s + 16-s − 1.35·17-s − 0.991·18-s + 1.96·19-s + 1.94·22-s − 0.0906·24-s + 25-s + 0.180·27-s + 32-s − 0.176·33-s − 1.35·34-s − 0.991·36-s + 1.96·38-s + 0.930·41-s + 1.31·43-s + 1.94·44-s − 0.0906·48-s + 49-s + 50-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(29-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 8 ^{s/2} \, \Gamma_{\C}(s+14) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(8\)    =    \(2^{3}\)
Sign: $1$
Analytic conductor: \(39.7347\)
Root analytic conductor: \(6.30355\)
Motivic weight: \(28\)
Rational: yes
Arithmetic: yes
Character: $\chi_{8} (3, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 8,\ (\ :14),\ 1)\)

Particular Values

\(L(\frac{29}{2})\) \(\approx\) \(4.305672154\)
\(L(\frac12)\) \(\approx\) \(4.305672154\)
\(L(15)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - p^{14} T \)
good3 \( 1 + 433454 T + p^{28} T^{2} \)
5 \( ( 1 - p^{14} T )( 1 + p^{14} T ) \)
7 \( ( 1 - p^{14} T )( 1 + p^{14} T ) \)
11 \( 1 - 739138942594034 T + p^{28} T^{2} \)
13 \( ( 1 - p^{14} T )( 1 + p^{14} T ) \)
17 \( 1 + 228753886708368574 T + p^{28} T^{2} \)
19 \( 1 - 1566734430868357394 T + p^{28} T^{2} \)
23 \( ( 1 - p^{14} T )( 1 + p^{14} T ) \)
29 \( ( 1 - p^{14} T )( 1 + p^{14} T ) \)
31 \( ( 1 - p^{14} T )( 1 + p^{14} T ) \)
37 \( ( 1 - p^{14} T )( 1 + p^{14} T ) \)
41 \( 1 - \)\(35\!\cdots\!34\)\( T + p^{28} T^{2} \)
43 \( 1 - \)\(97\!\cdots\!98\)\( T + p^{28} T^{2} \)
47 \( ( 1 - p^{14} T )( 1 + p^{14} T ) \)
53 \( ( 1 - p^{14} T )( 1 + p^{14} T ) \)
59 \( 1 - \)\(29\!\cdots\!22\)\( T + p^{28} T^{2} \)
61 \( ( 1 - p^{14} T )( 1 + p^{14} T ) \)
67 \( 1 + \)\(66\!\cdots\!94\)\( T + p^{28} T^{2} \)
71 \( ( 1 - p^{14} T )( 1 + p^{14} T ) \)
73 \( 1 + \)\(24\!\cdots\!14\)\( T + p^{28} T^{2} \)
79 \( ( 1 - p^{14} T )( 1 + p^{14} T ) \)
83 \( 1 + \)\(50\!\cdots\!54\)\( T + p^{28} T^{2} \)
89 \( 1 + \)\(24\!\cdots\!26\)\( T + p^{28} T^{2} \)
97 \( 1 + \)\(91\!\cdots\!62\)\( T + p^{28} T^{2} \)
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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

−14.67385592286726450153743673565, −13.77588237768469498216930707298, −12.04952496472542030999876608224, −11.17487668790532312416764181040, −9.063811212631746753491555361079, −7.02412706372284762160670867890, −5.78944673132899916059357021573, −4.23549690873169916812482701829, −2.86087718026792988946836221248, −1.17093338639934393638597003383, 1.17093338639934393638597003383, 2.86087718026792988946836221248, 4.23549690873169916812482701829, 5.78944673132899916059357021573, 7.02412706372284762160670867890, 9.063811212631746753491555361079, 11.17487668790532312416764181040, 12.04952496472542030999876608224, 13.77588237768469498216930707298, 14.67385592286726450153743673565

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