Properties

Label 2-1975-79.78-c0-0-2
Degree $2$
Conductor $1975$
Sign $1$
Analytic cond. $0.985653$
Root an. cond. $0.992800$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 0.618·2-s − 0.618·4-s + 8-s + 9-s + 0.618·11-s − 0.618·13-s − 0.618·18-s − 1.61·19-s − 0.381·22-s + 1.61·23-s + 0.381·26-s + 0.618·31-s − 0.999·32-s − 0.618·36-s + 1.00·38-s − 0.381·44-s − 1.00·46-s + 49-s + 0.381·52-s − 0.381·62-s + 0.618·64-s + 1.61·67-s + 72-s + 1.61·73-s + 0.999·76-s + 79-s + 81-s + ⋯
L(s)  = 1  − 0.618·2-s − 0.618·4-s + 8-s + 9-s + 0.618·11-s − 0.618·13-s − 0.618·18-s − 1.61·19-s − 0.381·22-s + 1.61·23-s + 0.381·26-s + 0.618·31-s − 0.999·32-s − 0.618·36-s + 1.00·38-s − 0.381·44-s − 1.00·46-s + 49-s + 0.381·52-s − 0.381·62-s + 0.618·64-s + 1.61·67-s + 72-s + 1.61·73-s + 0.999·76-s + 79-s + 81-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1975 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1975 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1975\)    =    \(5^{2} \cdot 79\)
Sign: $1$
Analytic conductor: \(0.985653\)
Root analytic conductor: \(0.992800\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{1975} (1026, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1975,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.7783063178\)
\(L(\frac12)\) \(\approx\) \(0.7783063178\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 \)
79 \( 1 - T \)
good2 \( 1 + 0.618T + T^{2} \)
3 \( 1 - T^{2} \)
7 \( 1 - T^{2} \)
11 \( 1 - 0.618T + T^{2} \)
13 \( 1 + 0.618T + T^{2} \)
17 \( 1 - T^{2} \)
19 \( 1 + 1.61T + T^{2} \)
23 \( 1 - 1.61T + T^{2} \)
29 \( 1 - T^{2} \)
31 \( 1 - 0.618T + T^{2} \)
37 \( 1 - T^{2} \)
41 \( 1 - T^{2} \)
43 \( 1 - T^{2} \)
47 \( 1 - T^{2} \)
53 \( 1 - T^{2} \)
59 \( 1 - T^{2} \)
61 \( 1 - T^{2} \)
67 \( 1 - 1.61T + T^{2} \)
71 \( 1 - T^{2} \)
73 \( 1 - 1.61T + T^{2} \)
83 \( 1 + 2T + T^{2} \)
89 \( 1 - 0.618T + T^{2} \)
97 \( 1 - 1.61T + T^{2} \)
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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

−9.270511619461808558546992796173, −8.749909487201758827769763861166, −7.909319299788355742157170532638, −7.09210009019073384321918082731, −6.46906154828270222925825075247, −5.13154463243713625867282813084, −4.48274635491993578970383196083, −3.72446257491871022433055357585, −2.22913284343448781901232224562, −1.02317678223516307668602072964, 1.02317678223516307668602072964, 2.22913284343448781901232224562, 3.72446257491871022433055357585, 4.48274635491993578970383196083, 5.13154463243713625867282813084, 6.46906154828270222925825075247, 7.09210009019073384321918082731, 7.909319299788355742157170532638, 8.749909487201758827769763861166, 9.270511619461808558546992796173

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