Properties

Label 2-178-1.1-c1-0-1
Degree $2$
Conductor $178$
Sign $1$
Analytic cond. $1.42133$
Root an. cond. $1.19219$
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 + 2·3-s + 4-s + 2·5-s − 2·6-s − 8-s + 9-s − 2·10-s + 2·12-s − 4·13-s + 4·15-s + 16-s + 2·17-s − 18-s − 2·19-s + 2·20-s + 8·23-s − 2·24-s − 25-s + 4·26-s − 4·27-s − 4·30-s − 32-s − 2·34-s + 36-s + 2·38-s − 8·39-s + ⋯
L(s)  = 1  − 0.707·2-s + 1.15·3-s + 1/2·4-s + 0.894·5-s − 0.816·6-s − 0.353·8-s + 1/3·9-s − 0.632·10-s + 0.577·12-s − 1.10·13-s + 1.03·15-s + 1/4·16-s + 0.485·17-s − 0.235·18-s − 0.458·19-s + 0.447·20-s + 1.66·23-s − 0.408·24-s − 1/5·25-s + 0.784·26-s − 0.769·27-s − 0.730·30-s − 0.176·32-s − 0.342·34-s + 1/6·36-s + 0.324·38-s − 1.28·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 178 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 178 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(178\)    =    \(2 \cdot 89\)
Sign: $1$
Analytic conductor: \(1.42133\)
Root analytic conductor: \(1.19219\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 178,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.290192424\)
\(L(\frac12)\) \(\approx\) \(1.290192424\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + T \)
89 \( 1 - T \)
good3 \( 1 - 2 T + p T^{2} \)
5 \( 1 - 2 T + p T^{2} \)
7 \( 1 + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 - 2 T + p T^{2} \)
19 \( 1 + 2 T + p T^{2} \)
23 \( 1 - 8 T + p T^{2} \)
29 \( 1 + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 + 2 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 - 10 T + p T^{2} \)
61 \( 1 + 4 T + p T^{2} \)
67 \( 1 + 8 T + p T^{2} \)
71 \( 1 - 8 T + p T^{2} \)
73 \( 1 + 2 T + p T^{2} \)
79 \( 1 - 8 T + p T^{2} \)
83 \( 1 - 14 T + p T^{2} \)
97 \( 1 + 2 T + p T^{2} \)
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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

−12.85954356789697240017506667094, −11.59493577386834934242752817054, −10.26873518439147898576506033267, −9.557222702791697299465998323338, −8.769321837886270388053655241042, −7.77948089534178376910067015471, −6.67854632460910561231510247828, −5.18755879988201558728632555274, −3.16476680941726517752422559781, −2.01056152480496856645260763012, 2.01056152480496856645260763012, 3.16476680941726517752422559781, 5.18755879988201558728632555274, 6.67854632460910561231510247828, 7.77948089534178376910067015471, 8.769321837886270388053655241042, 9.557222702791697299465998323338, 10.26873518439147898576506033267, 11.59493577386834934242752817054, 12.85954356789697240017506667094

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