Properties

Label 2-19-19.14-c4-0-1
Degree $2$
Conductor $19$
Sign $0.193 - 0.981i$
Analytic cond. $1.96402$
Root an. cond. $1.40143$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (1.85 + 5.09i)2-s + (7.50 + 1.32i)3-s + (−10.2 + 8.58i)4-s + (−16.5 − 13.8i)5-s + (7.17 + 40.6i)6-s + (−1.44 − 2.49i)7-s + (12.4 + 7.16i)8-s + (−21.4 − 7.81i)9-s + (40.0 − 109. i)10-s + (68.6 − 118. i)11-s + (−88.2 + 50.9i)12-s + (87.9 − 15.5i)13-s + (10.0 − 11.9i)14-s + (−105. − 126. i)15-s + (−50.5 + 286. i)16-s + (−493. + 179. i)17-s + ⋯
L(s)  = 1  + (0.463 + 1.27i)2-s + (0.834 + 0.147i)3-s + (−0.639 + 0.536i)4-s + (−0.661 − 0.554i)5-s + (0.199 + 1.13i)6-s + (−0.0294 − 0.0509i)7-s + (0.193 + 0.111i)8-s + (−0.265 − 0.0964i)9-s + (0.400 − 1.09i)10-s + (0.567 − 0.983i)11-s + (−0.612 + 0.353i)12-s + (0.520 − 0.0917i)13-s + (0.0512 − 0.0610i)14-s + (−0.470 − 0.560i)15-s + (−0.197 + 1.12i)16-s + (−1.70 + 0.621i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 19 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.193 - 0.981i)\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 19 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & (0.193 - 0.981i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(19\)
Sign: $0.193 - 0.981i$
Analytic conductor: \(1.96402\)
Root analytic conductor: \(1.40143\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{19} (14, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 19,\ (\ :2),\ 0.193 - 0.981i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(1.34792 + 1.10802i\)
\(L(\frac12)\) \(\approx\) \(1.34792 + 1.10802i\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad19 \( 1 + (-357. - 50.5i)T \)
good2 \( 1 + (-1.85 - 5.09i)T + (-12.2 + 10.2i)T^{2} \)
3 \( 1 + (-7.50 - 1.32i)T + (76.1 + 27.7i)T^{2} \)
5 \( 1 + (16.5 + 13.8i)T + (108. + 615. i)T^{2} \)
7 \( 1 + (1.44 + 2.49i)T + (-1.20e3 + 2.07e3i)T^{2} \)
11 \( 1 + (-68.6 + 118. i)T + (-7.32e3 - 1.26e4i)T^{2} \)
13 \( 1 + (-87.9 + 15.5i)T + (2.68e4 - 9.76e3i)T^{2} \)
17 \( 1 + (493. - 179. i)T + (6.39e4 - 5.36e4i)T^{2} \)
23 \( 1 + (479. - 401. i)T + (4.85e4 - 2.75e5i)T^{2} \)
29 \( 1 + (8.32 - 22.8i)T + (-5.41e5 - 4.54e5i)T^{2} \)
31 \( 1 + (-112. + 65.0i)T + (4.61e5 - 7.99e5i)T^{2} \)
37 \( 1 - 621. iT - 1.87e6T^{2} \)
41 \( 1 + (-2.47e3 - 436. i)T + (2.65e6 + 9.66e5i)T^{2} \)
43 \( 1 + (-1.88e3 - 1.57e3i)T + (5.93e5 + 3.36e6i)T^{2} \)
47 \( 1 + (1.52e3 + 556. i)T + (3.73e6 + 3.13e6i)T^{2} \)
53 \( 1 + (-2.18e3 - 2.59e3i)T + (-1.37e6 + 7.77e6i)T^{2} \)
59 \( 1 + (1.20e3 + 3.30e3i)T + (-9.28e6 + 7.78e6i)T^{2} \)
61 \( 1 + (-1.72e3 + 1.44e3i)T + (2.40e6 - 1.36e7i)T^{2} \)
67 \( 1 + (-890. + 2.44e3i)T + (-1.54e7 - 1.29e7i)T^{2} \)
71 \( 1 + (6.07e3 - 7.23e3i)T + (-4.41e6 - 2.50e7i)T^{2} \)
73 \( 1 + (-463. + 2.62e3i)T + (-2.66e7 - 9.71e6i)T^{2} \)
79 \( 1 + (-1.94e3 - 342. i)T + (3.66e7 + 1.33e7i)T^{2} \)
83 \( 1 + (3.44e3 + 5.96e3i)T + (-2.37e7 + 4.11e7i)T^{2} \)
89 \( 1 + (-8.06e3 + 1.42e3i)T + (5.89e7 - 2.14e7i)T^{2} \)
97 \( 1 + (-2.39e3 - 6.59e3i)T + (-6.78e7 + 5.69e7i)T^{2} \)
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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

−17.61316787145730950693010102714, −16.23272067656771609372961881632, −15.52998348765483808948947404585, −14.28116564971873636770690645001, −13.38629161235375279078828338399, −11.39399287721591823827203251654, −8.878160436143700903999042959132, −7.957969701098592813426430867313, −6.08289670985384580584826247782, −4.01764326387887060817530992484, 2.45460348152822752547204420606, 4.06202622091989974104034878444, 7.31790746017581964491748770553, 9.216871014678406267997858107712, 10.94137918131800043139354175296, 11.95189849542176840541741196355, 13.40781756511339822642007213946, 14.45262696329245060254425801927, 15.85524888773645084386414582605, 17.97844420447393451882684110243

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