Properties

Label 2-197-197.16-c3-0-23
Degree $2$
Conductor $197$
Sign $0.974 - 0.223i$
Analytic cond. $11.6233$
Root an. cond. $3.40930$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−4.27 − 0.274i)2-s + (−1.17 + 1.68i)3-s + (10.2 + 1.32i)4-s + (4.43 − 2.88i)5-s + (5.49 − 6.89i)6-s + (4.20 − 0.270i)7-s + (−9.99 − 1.94i)8-s + (7.86 + 21.3i)9-s + (−19.7 + 11.1i)10-s + (−0.707 + 2.38i)11-s + (−14.3 + 15.7i)12-s + (1.85 − 57.9i)13-s − 18.0·14-s + (−0.348 + 10.8i)15-s + (−38.0 − 9.98i)16-s + (−41.5 − 40.2i)17-s + ⋯
L(s)  = 1  + (−1.51 − 0.0971i)2-s + (−0.226 + 0.324i)3-s + (1.28 + 0.165i)4-s + (0.396 − 0.258i)5-s + (0.373 − 0.468i)6-s + (0.227 − 0.0145i)7-s + (−0.441 − 0.0860i)8-s + (0.291 + 0.791i)9-s + (−0.625 + 0.352i)10-s + (−0.0194 + 0.0653i)11-s + (−0.345 + 0.379i)12-s + (0.0396 − 1.23i)13-s − 0.345·14-s + (−0.00600 + 0.187i)15-s + (−0.594 − 0.155i)16-s + (−0.592 − 0.573i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 197 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.974 - 0.223i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 197 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (0.974 - 0.223i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(197\)
Sign: $0.974 - 0.223i$
Analytic conductor: \(11.6233\)
Root analytic conductor: \(3.40930\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{197} (16, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 197,\ (\ :3/2),\ 0.974 - 0.223i)\)

Particular Values

\(L(2)\) \(\approx\) \(0.802365 + 0.0908597i\)
\(L(\frac12)\) \(\approx\) \(0.802365 + 0.0908597i\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad197 \( 1 + (-817. + 2.64e3i)T \)
good2 \( 1 + (4.27 + 0.274i)T + (7.93 + 1.02i)T^{2} \)
3 \( 1 + (1.17 - 1.68i)T + (-9.32 - 25.3i)T^{2} \)
5 \( 1 + (-4.43 + 2.88i)T + (50.5 - 114. i)T^{2} \)
7 \( 1 + (-4.20 + 0.270i)T + (340. - 43.8i)T^{2} \)
11 \( 1 + (0.707 - 2.38i)T + (-1.11e3 - 726. i)T^{2} \)
13 \( 1 + (-1.85 + 57.9i)T + (-2.19e3 - 140. i)T^{2} \)
17 \( 1 + (41.5 + 40.2i)T + (157. + 4.91e3i)T^{2} \)
19 \( 1 + (-12.5 - 6.04i)T + (4.27e3 + 5.36e3i)T^{2} \)
23 \( 1 + (-22.0 - 136. i)T + (-1.15e4 + 3.83e3i)T^{2} \)
29 \( 1 + (-161. + 178. i)T + (-2.34e3 - 2.42e4i)T^{2} \)
31 \( 1 + (-78.5 + 31.8i)T + (2.14e4 - 2.07e4i)T^{2} \)
37 \( 1 + (-426. + 111. i)T + (4.41e4 - 2.48e4i)T^{2} \)
41 \( 1 + (-240. - 232. i)T + (2.20e3 + 6.88e4i)T^{2} \)
43 \( 1 + (-83.7 + 282. i)T + (-6.66e4 - 4.33e4i)T^{2} \)
47 \( 1 + (-229. - 439. i)T + (-5.93e4 + 8.51e4i)T^{2} \)
53 \( 1 + (-11.9 - 123. i)T + (-1.46e5 + 2.84e4i)T^{2} \)
59 \( 1 + (-433. - 244. i)T + (1.06e5 + 1.75e5i)T^{2} \)
61 \( 1 + (-206. - 295. i)T + (-7.83e4 + 2.13e5i)T^{2} \)
67 \( 1 + (391. + 749. i)T + (-1.72e5 + 2.46e5i)T^{2} \)
71 \( 1 + (-228. - 621. i)T + (-2.72e5 + 2.32e5i)T^{2} \)
73 \( 1 + (-489. + 128. i)T + (3.38e5 - 1.90e5i)T^{2} \)
79 \( 1 + (-310. - 202. i)T + (1.99e5 + 4.50e5i)T^{2} \)
83 \( 1 + (-1.14e3 + 552. i)T + (3.56e5 - 4.47e5i)T^{2} \)
89 \( 1 + (901. + 364. i)T + (5.06e5 + 4.90e5i)T^{2} \)
97 \( 1 + (-373. + 616. i)T + (-4.22e5 - 8.09e5i)T^{2} \)
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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

−11.52046738347322849901216004540, −10.85585576275673326449153928310, −9.908232074619482298580693028540, −9.331189084350766824018526110092, −8.034389311108303513648236619440, −7.49633825190118363652479689957, −5.84546450144389826597058371097, −4.61832492849827091942251754460, −2.44812261250952228040452896458, −0.931401746792171683583577768046, 0.862602385501125397579068821868, 2.21488236949949676131726119787, 4.37548039908337190100078721356, 6.40605689454880138652231015418, 6.81225765851545200443870099674, 8.172525483773965715713445406346, 9.027185217073459654108432155846, 9.863157556435448077290395058598, 10.79596774457386616771343218377, 11.68535037531631130016237153599

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