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Properties

Label 2-84-28.3-c1-0-3
Degree $2$
Conductor $84$
Sign $0.993 + 0.110i$
Analytic cond. $0.670743$
Root an. cond. $0.818989$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−1.18 + 0.773i)2-s + (0.5 − 0.866i)3-s + (0.803 − 1.83i)4-s + (0.380 − 0.219i)5-s + (0.0777 + 1.41i)6-s + (2.02 − 1.70i)7-s + (0.464 + 2.79i)8-s + (−0.499 − 0.866i)9-s + (−0.280 + 0.553i)10-s + (1.83 + 1.05i)11-s + (−1.18 − 1.61i)12-s + 3.84i·13-s + (−1.07 + 3.58i)14-s − 0.438i·15-s + (−2.70 − 2.94i)16-s + (−4.89 − 2.82i)17-s + ⋯
L(s)  = 1  + (−0.837 + 0.546i)2-s + (0.288 − 0.499i)3-s + (0.401 − 0.915i)4-s + (0.170 − 0.0981i)5-s + (0.0317 + 0.576i)6-s + (0.764 − 0.644i)7-s + (0.164 + 0.986i)8-s + (−0.166 − 0.288i)9-s + (−0.0886 + 0.175i)10-s + (0.552 + 0.318i)11-s + (−0.341 − 0.465i)12-s + 1.06i·13-s + (−0.288 + 0.957i)14-s − 0.113i·15-s + (−0.676 − 0.736i)16-s + (−1.18 − 0.684i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 84 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.993 + 0.110i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 84 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.993 + 0.110i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(84\)    =    \(2^{2} \cdot 3 \cdot 7\)
Sign: $0.993 + 0.110i$
Analytic conductor: \(0.670743\)
Root analytic conductor: \(0.818989\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{84} (31, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 84,\ (\ :1/2),\ 0.993 + 0.110i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.779934 - 0.0431115i\)
\(L(\frac12)\) \(\approx\) \(0.779934 - 0.0431115i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (1.18 - 0.773i)T \)
3 \( 1 + (-0.5 + 0.866i)T \)
7 \( 1 + (-2.02 + 1.70i)T \)
good5 \( 1 + (-0.380 + 0.219i)T + (2.5 - 4.33i)T^{2} \)
11 \( 1 + (-1.83 - 1.05i)T + (5.5 + 9.52i)T^{2} \)
13 \( 1 - 3.84iT - 13T^{2} \)
17 \( 1 + (4.89 + 2.82i)T + (8.5 + 14.7i)T^{2} \)
19 \( 1 + (1.48 + 2.57i)T + (-9.5 + 16.4i)T^{2} \)
23 \( 1 + (4.13 - 2.38i)T + (11.5 - 19.9i)T^{2} \)
29 \( 1 - 7.02T + 29T^{2} \)
31 \( 1 + (3.71 - 6.43i)T + (-15.5 - 26.8i)T^{2} \)
37 \( 1 + (-2.64 - 4.57i)T + (-18.5 + 32.0i)T^{2} \)
41 \( 1 + 6.81iT - 41T^{2} \)
43 \( 1 - 4.38iT - 43T^{2} \)
47 \( 1 + (0.844 + 1.46i)T + (-23.5 + 40.7i)T^{2} \)
53 \( 1 + (5.35 - 9.27i)T + (-26.5 - 45.8i)T^{2} \)
59 \( 1 + (-4.05 + 7.03i)T + (-29.5 - 51.0i)T^{2} \)
61 \( 1 + (-5.35 + 3.09i)T + (30.5 - 52.8i)T^{2} \)
67 \( 1 + (6.79 + 3.92i)T + (33.5 + 58.0i)T^{2} \)
71 \( 1 + 1.16iT - 71T^{2} \)
73 \( 1 + (8.69 + 5.01i)T + (36.5 + 63.2i)T^{2} \)
79 \( 1 + (-13.4 + 7.79i)T + (39.5 - 68.4i)T^{2} \)
83 \( 1 - 5.49T + 83T^{2} \)
89 \( 1 + (9.02 - 5.20i)T + (44.5 - 77.0i)T^{2} \)
97 \( 1 + 2.22iT - 97T^{2} \)
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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

−14.20771852109056533605840313278, −13.65202769915119487663106068878, −11.85012995652094919708135537700, −10.94594719852831285667298096024, −9.515565619828406398793387636790, −8.625627145943266633493381068039, −7.35753520429612329507760643649, −6.53513172287902680440732507763, −4.67762246919378936523647647867, −1.77756495730142384033954453433, 2.32893792479702505689800989009, 4.13259039340064034920323624195, 6.13455913690211485644224156598, 8.046532670337603173301211466347, 8.665614446311123809430241695195, 9.950423335140631752223800189162, 10.86773761939265056640030476802, 11.87788132747236683875934005342, 13.02670378472094650758571005493, 14.45314074891695813781704254318

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