Properties

Label 2-78-13.2-c2-0-3
Degree $2$
Conductor $78$
Sign $0.958 + 0.283i$
Analytic cond. $2.12534$
Root an. cond. $1.45785$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (1.36 + 0.366i)2-s + (−0.866 − 1.5i)3-s + (1.73 + i)4-s + (2.36 − 2.36i)5-s + (−0.633 − 2.36i)6-s + (6.73 − 1.80i)7-s + (1.99 + 2i)8-s + (−1.5 + 2.59i)9-s + (4.09 − 2.36i)10-s + (−0.339 + 1.26i)11-s − 3.46i·12-s + (−11.2 + 6.5i)13-s + 9.85·14-s + (−5.59 − 1.5i)15-s + (1.99 + 3.46i)16-s + (−21.1 − 12.2i)17-s + ⋯
L(s)  = 1  + (0.683 + 0.183i)2-s + (−0.288 − 0.5i)3-s + (0.433 + 0.250i)4-s + (0.473 − 0.473i)5-s + (−0.105 − 0.394i)6-s + (0.961 − 0.257i)7-s + (0.249 + 0.250i)8-s + (−0.166 + 0.288i)9-s + (0.409 − 0.236i)10-s + (−0.0308 + 0.115i)11-s − 0.288i·12-s + (−0.866 + 0.5i)13-s + 0.704·14-s + (−0.373 − 0.100i)15-s + (0.124 + 0.216i)16-s + (−1.24 − 0.719i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 78 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.958 + 0.283i)\, \overline{\Lambda}(3-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 78 ^{s/2} \, \Gamma_{\C}(s+1) \, L(s)\cr =\mathstrut & (0.958 + 0.283i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(78\)    =    \(2 \cdot 3 \cdot 13\)
Sign: $0.958 + 0.283i$
Analytic conductor: \(2.12534\)
Root analytic conductor: \(1.45785\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{78} (67, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 78,\ (\ :1),\ 0.958 + 0.283i)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.78867 - 0.258989i\)
\(L(\frac12)\) \(\approx\) \(1.78867 - 0.258989i\)
\(L(2)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-1.36 - 0.366i)T \)
3 \( 1 + (0.866 + 1.5i)T \)
13 \( 1 + (11.2 - 6.5i)T \)
good5 \( 1 + (-2.36 + 2.36i)T - 25iT^{2} \)
7 \( 1 + (-6.73 + 1.80i)T + (42.4 - 24.5i)T^{2} \)
11 \( 1 + (0.339 - 1.26i)T + (-104. - 60.5i)T^{2} \)
17 \( 1 + (21.1 + 12.2i)T + (144.5 + 250. i)T^{2} \)
19 \( 1 + (-5.80 - 21.6i)T + (-312. + 180.5i)T^{2} \)
23 \( 1 + (12.5 - 7.26i)T + (264.5 - 458. i)T^{2} \)
29 \( 1 + (10.6 + 18.4i)T + (-420.5 + 728. i)T^{2} \)
31 \( 1 + (-18.5 + 18.5i)T - 961iT^{2} \)
37 \( 1 + (3.96 - 14.7i)T + (-1.18e3 - 684.5i)T^{2} \)
41 \( 1 + (31.9 + 8.55i)T + (1.45e3 + 840.5i)T^{2} \)
43 \( 1 + (-57.3 - 33.1i)T + (924.5 + 1.60e3i)T^{2} \)
47 \( 1 + (30 + 30i)T + 2.20e3iT^{2} \)
53 \( 1 - 53.1T + 2.80e3T^{2} \)
59 \( 1 + (-102. + 27.4i)T + (3.01e3 - 1.74e3i)T^{2} \)
61 \( 1 + (-41.8 + 72.5i)T + (-1.86e3 - 3.22e3i)T^{2} \)
67 \( 1 + (53.5 + 14.3i)T + (3.88e3 + 2.24e3i)T^{2} \)
71 \( 1 + (-8.87 - 33.1i)T + (-4.36e3 + 2.52e3i)T^{2} \)
73 \( 1 + (73.0 + 73.0i)T + 5.32e3iT^{2} \)
79 \( 1 + 6.43T + 6.24e3T^{2} \)
83 \( 1 + (13.4 - 13.4i)T - 6.88e3iT^{2} \)
89 \( 1 + (28.2 - 105. i)T + (-6.85e3 - 3.96e3i)T^{2} \)
97 \( 1 + (47.6 + 177. i)T + (-8.14e3 + 4.70e3i)T^{2} \)
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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

−13.97962434187356743128304199926, −13.23401594578632316218431739014, −12.02928754895866342049620392398, −11.28164368989945368376132337832, −9.713391699712137228467811964590, −8.132555249438515830822131769800, −7.00957231493137362623788032701, −5.56978328898653831021750454337, −4.47170930353064340930595193076, −1.97329089849788707063180145632, 2.47347525729957033560410882985, 4.44705157578227835910099073746, 5.55821373985764018857230094655, 6.93855916397456937589110878590, 8.645221100323159297636829906342, 10.17427490934116220143505482233, 10.99580675203199911181189993934, 11.98872261256751082466144089740, 13.24400145992087072539060958452, 14.39625950020616378716458192831

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