Properties

Label 27.8.a.b
Level 27
Weight 8
Character orbit 27.a
Self dual Yes
Analytic conductor 8.434
Analytic rank 1
Dimension 2
CM No
Inner twists 1

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Newspace parameters

Level: \( N \) = \( 27 = 3^{3} \)
Weight: \( k \) = \( 8 \)
Character orbit: \([\chi]\) = 27.a (trivial)

Newform invariants

Self dual: Yes
Analytic conductor: \(8.43439568807\)
Analytic rank: \(1\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{65}) \)
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 3 \)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

Coefficients of the \(q\)-expansion are expressed in terms of \(\beta = \frac{1}{2}(-1 + 3\sqrt{65})\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( -5 - \beta ) q^{2} + ( 43 + 9 \beta ) q^{4} + ( -91 - 2 \beta ) q^{5} + ( 395 + 90 \beta ) q^{7} + ( -889 + 49 \beta ) q^{8} +O(q^{10})\) \( q + ( -5 - \beta ) q^{2} + ( 43 + 9 \beta ) q^{4} + ( -91 - 2 \beta ) q^{5} + ( 395 + 90 \beta ) q^{7} + ( -889 + 49 \beta ) q^{8} + ( 747 + 99 \beta ) q^{10} + ( -5465 - 40 \beta ) q^{11} + ( -3100 - 720 \beta ) q^{13} + ( -15115 - 755 \beta ) q^{14} + ( -8213 - 459 \beta ) q^{16} + ( -7032 + 2352 \beta ) q^{17} + ( 7418 - 1188 \beta ) q^{19} + ( -6541 - 887 \beta ) q^{20} + ( 33165 + 5625 \beta ) q^{22} + ( -14818 - 5264 \beta ) q^{23} + ( -69260 + 360 \beta ) q^{25} + ( 120620 + 5980 \beta ) q^{26} + ( 135245 + 6615 \beta ) q^{28} + ( 71770 + 260 \beta ) q^{29} + ( -26383 - 14058 \beta ) q^{31} + ( 221871 + 3777 \beta ) q^{32} + ( -308232 - 2376 \beta ) q^{34} + ( -62225 - 8800 \beta ) q^{35} + ( 217010 - 21600 \beta ) q^{37} + ( 136358 - 2666 \beta ) q^{38} + ( 66591 - 2583 \beta ) q^{40} + ( -356650 + 18580 \beta ) q^{41} + ( -532090 + 24660 \beta ) q^{43} + ( -287555 - 50545 \beta ) q^{44} + ( 842634 + 35874 \beta ) q^{46} + ( -762326 + 36848 \beta ) q^{47} + ( 515082 + 63000 \beta ) q^{49} + ( 293740 + 67820 \beta ) q^{50} + ( -1079380 - 52380 \beta ) q^{52} + ( -1319553 - 28638 \beta ) q^{53} + ( 508995 + 14490 \beta ) q^{55} + ( 292705 - 65065 \beta ) q^{56} + ( -396810 - 72810 \beta ) q^{58} + ( -914860 - 97760 \beta ) q^{59} + ( -321688 - 23184 \beta ) q^{61} + ( 2184383 + 82615 \beta ) q^{62} + ( -609533 - 178227 \beta ) q^{64} + ( 492340 + 70280 \beta ) q^{65} + ( 168350 - 9900 \beta ) q^{67} + ( 2788152 + 16680 \beta ) q^{68} + ( 1595925 + 97425 \beta ) q^{70} + ( 2238360 + 234480 \beta ) q^{71} + ( -1473775 + 197640 \beta ) q^{73} + ( 2068550 - 130610 \beta ) q^{74} + ( -1242058 + 26370 \beta ) q^{76} + ( -2684275 - 504050 \beta ) q^{77} + ( 5159384 + 208152 \beta ) q^{79} + ( 881411 + 57277 \beta ) q^{80} + ( -929430 + 282330 \beta ) q^{82} + ( -266657 + 110888 \beta ) q^{83} + ( -46872 - 195264 \beta ) q^{85} + ( -939910 + 433450 \beta ) q^{86} + ( 4572225 - 230265 \beta ) q^{88} + ( -2942790 + 135420 \beta ) q^{89} + ( -10685300 - 498600 \beta ) q^{91} + ( -7554070 - 312338 \beta ) q^{92} + ( -1568178 + 614934 \beta ) q^{94} + ( -328142 + 90896 \beta ) q^{95} + ( 1526255 - 1046160 \beta ) q^{97} + ( -11773410 - 767082 \beta ) q^{98} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2q - 9q^{2} + 77q^{4} - 180q^{5} + 700q^{7} - 1827q^{8} + O(q^{10}) \) \( 2q - 9q^{2} + 77q^{4} - 180q^{5} + 700q^{7} - 1827q^{8} + 1395q^{10} - 10890q^{11} - 5480q^{13} - 29475q^{14} - 15967q^{16} - 16416q^{17} + 16024q^{19} - 12195q^{20} + 60705q^{22} - 24372q^{23} - 138880q^{25} + 235260q^{26} + 263875q^{28} + 143280q^{29} - 38708q^{31} + 439965q^{32} - 614088q^{34} - 115650q^{35} + 455620q^{37} + 275382q^{38} + 135765q^{40} - 731880q^{41} - 1088840q^{43} - 524565q^{44} + 1649394q^{46} - 1561500q^{47} + 967164q^{49} + 519660q^{50} - 2106380q^{52} - 2610468q^{53} + 1003500q^{55} + 650475q^{56} - 720810q^{58} - 1731960q^{59} - 620192q^{61} + 4286151q^{62} - 1040839q^{64} + 914400q^{65} + 346600q^{67} + 5559624q^{68} + 3094425q^{70} + 4242240q^{71} - 3145190q^{73} + 4267710q^{74} - 2510486q^{76} - 4864500q^{77} + 10110616q^{79} + 1705545q^{80} - 2141190q^{82} - 644202q^{83} + 101520q^{85} - 2313270q^{86} + 9374715q^{88} - 6021000q^{89} - 20872000q^{91} - 14795802q^{92} - 3751290q^{94} - 747180q^{95} + 4098670q^{97} - 22779738q^{98} + O(q^{100}) \)

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

Label \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
4.53113
−3.53113
−16.5934 0 147.340 −114.187 0 1438.40 −320.924 0 1894.75
1.2 7.59339 0 −70.3405 −65.8132 0 −738.405 −1506.08 0 −499.745
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

This newform does not admit any (nontrivial) inner twists.

Atkin-Lehner signs

\( p \) Sign
\(3\) \(-1\)

Hecke kernels

This newform can be constructed as the kernel of the linear operator \( T_{2}^{2} + 9 T_{2} - 126 \) acting on \(S_{8}^{\mathrm{new}}(\Gamma_0(27))\).