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Properties

Label 2-91-91.83-c1-0-0
Degree $2$
Conductor $91$
Sign $-0.883 - 0.467i$
Analytic cond. $0.726638$
Root an. cond. $0.852431$
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  + (−1.45 + 1.45i)2-s + 1.81i·3-s − 2.21i·4-s + (2.01 + 2.01i)5-s + (−2.64 − 2.64i)6-s + (−2.38 − 1.13i)7-s + (0.311 + 0.311i)8-s − 0.311·9-s − 5.84·10-s + (0.451 + 0.451i)11-s + 4.02·12-s + (−3.40 − 1.19i)13-s + (5.11 − 1.81i)14-s + (−3.66 + 3.66i)15-s + 3.52·16-s + 4.32·17-s + ⋯
L(s)  = 1  + (−1.02 + 1.02i)2-s + 1.05i·3-s − 1.10i·4-s + (0.900 + 0.900i)5-s + (−1.07 − 1.07i)6-s + (−0.903 − 0.429i)7-s + (0.109 + 0.109i)8-s − 0.103·9-s − 1.84·10-s + (0.136 + 0.136i)11-s + 1.16·12-s + (−0.943 − 0.330i)13-s + (1.36 − 0.486i)14-s + (−0.946 + 0.946i)15-s + 0.881·16-s + 1.04·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 91 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.883 - 0.467i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 91 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.883 - 0.467i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(91\)    =    \(7 \cdot 13\)
Sign: $-0.883 - 0.467i$
Analytic conductor: \(0.726638\)
Root analytic conductor: \(0.852431\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{91} (83, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 91,\ (\ :1/2),\ -0.883 - 0.467i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.151978 + 0.611802i\)
\(L(\frac12)\) \(\approx\) \(0.151978 + 0.611802i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 + (2.38 + 1.13i)T \)
13 \( 1 + (3.40 + 1.19i)T \)
good2 \( 1 + (1.45 - 1.45i)T - 2iT^{2} \)
3 \( 1 - 1.81iT - 3T^{2} \)
5 \( 1 + (-2.01 - 2.01i)T + 5iT^{2} \)
11 \( 1 + (-0.451 - 0.451i)T + 11iT^{2} \)
17 \( 1 - 4.32T + 17T^{2} \)
19 \( 1 + (-3.40 - 3.40i)T + 19iT^{2} \)
23 \( 1 - 0.933iT - 23T^{2} \)
29 \( 1 - 6.33T + 29T^{2} \)
31 \( 1 + (5.47 + 5.47i)T + 31iT^{2} \)
37 \( 1 + (-2.14 - 2.14i)T + 37iT^{2} \)
41 \( 1 + (1.81 + 1.81i)T + 41iT^{2} \)
43 \( 1 + 10.4iT - 43T^{2} \)
47 \( 1 + (5.90 - 5.90i)T - 47iT^{2} \)
53 \( 1 - 3.36T + 53T^{2} \)
59 \( 1 + (-0.255 + 0.255i)T - 59iT^{2} \)
61 \( 1 + 7.78iT - 61T^{2} \)
67 \( 1 + (-7.28 + 7.28i)T - 67iT^{2} \)
71 \( 1 + (-5.56 + 5.56i)T - 71iT^{2} \)
73 \( 1 + (-8.86 + 8.86i)T - 73iT^{2} \)
79 \( 1 + 13.7T + 79T^{2} \)
83 \( 1 + (4.30 + 4.30i)T + 83iT^{2} \)
89 \( 1 + (5.61 - 5.61i)T - 89iT^{2} \)
97 \( 1 + (-0.236 - 0.236i)T + 97iT^{2} \)
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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

−14.84454404594236574706348348025, −14.02307424099426455281774538619, −12.45075795232940762538743852721, −10.48266970126546985505565146700, −9.870028258384748866932033611954, −9.485346532910620107157420710337, −7.69067557291957051376456478089, −6.69507288799705621013217993158, −5.53075694838033038587537580494, −3.39253255635364349815800858537, 1.21962236231779655836807211588, 2.67919913603457126081096348929, 5.47043697906506938981431486186, 6.95089972379364751382851545317, 8.403962099274058684554633377065, 9.487310415668599938723906840695, 9.986992120056384237455588432038, 11.71819546929242356182358221774, 12.49821278450096654620137069371, 13.08820761844759144469368410657

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