Properties

Label 109.8.b.a
Level $109$
Weight $8$
Character orbit 109.b
Analytic conductor $34.050$
Analytic rank $0$
Dimension $62$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [109,8,Mod(108,109)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(109, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1]))
 
N = Newforms(chi, 8, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("109.108");
 
S:= CuspForms(chi, 8);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 109 \)
Weight: \( k \) \(=\) \( 8 \)
Character orbit: \([\chi]\) \(=\) 109.b (of order \(2\), degree \(1\), minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(34.0499677778\)
Analytic rank: \(0\)
Dimension: \(62\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.

\(\operatorname{Tr}(f)(q) = \) \( 62 q - 56 q^{3} - 3584 q^{4} + 194 q^{5} + 370 q^{7} + 40462 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 62 q - 56 q^{3} - 3584 q^{4} + 194 q^{5} + 370 q^{7} + 40462 q^{9} + 6248 q^{12} - 21376 q^{15} + 227856 q^{16} - 216666 q^{20} + 42914 q^{21} - 101446 q^{22} + 788644 q^{25} - 282610 q^{26} - 235946 q^{27} - 69142 q^{28} - 213678 q^{29} + 300350 q^{31} - 401602 q^{34} - 377134 q^{35} - 2176902 q^{36} - 2421542 q^{38} + 2022550 q^{43} + 2223056 q^{45} + 2665174 q^{46} + 1060208 q^{48} + 7702792 q^{49} + 9894904 q^{60} + 278126 q^{61} - 6010300 q^{63} - 9362182 q^{64} - 23291020 q^{66} + 15373744 q^{71} - 1378934 q^{73} - 19097780 q^{74} - 41528062 q^{75} + 5705654 q^{78} + 42766270 q^{80} + 29291446 q^{81} + 14605464 q^{82} + 1191422 q^{83} - 6959552 q^{84} - 22121732 q^{87} + 6337872 q^{88} + 29157388 q^{89} + 14091936 q^{93} - 17482078 q^{94} - 22763314 q^{97}+O(q^{100}) \) Copy content Toggle raw display

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
108.1 22.1186i 68.3096 −361.232 198.755 1510.91i 477.809 5158.77i 2479.21 4396.19i
108.2 21.7464i −13.5748 −344.905 −10.6141 295.203i −628.336 4716.91i −2002.72 230.818i
108.3 20.6762i −63.1733 −299.506 −321.718 1306.18i 710.246 3546.09i 1803.86 6651.91i
108.4 20.5650i −83.1155 −294.921 534.705 1709.27i −279.478 3432.74i 4721.18 10996.2i
108.5 19.1107i 70.4891 −237.218 −288.848 1347.09i −109.637 2087.22i 2781.72 5520.08i
108.6 18.7221i −3.68685 −222.515 339.279 69.0254i 552.193 1769.52i −2173.41 6351.99i
108.7 18.2217i −4.72274 −204.029 113.191 86.0562i 1550.44 1385.38i −2164.70 2062.52i
108.8 18.1795i 9.33049 −202.493 −443.908 169.623i −988.125 1354.25i −2099.94 8070.01i
108.9 17.9931i 45.7905 −195.751 340.028 823.912i −1712.93 1219.06i −90.2316 6118.15i
108.10 17.5675i 39.7962 −180.616 −277.314 699.119i 1237.74 924.338i −603.263 4871.71i
108.11 15.8282i −77.0878 −122.532 −187.933 1220.16i −1259.33 86.5528i 3755.53 2974.64i
108.12 15.6070i −36.0261 −115.577 219.020 562.257i −1106.83 193.886i −889.123 3418.23i
108.13 15.1160i −59.8207 −100.494 62.1458 904.251i 706.973 415.786i 1391.52 939.396i
108.14 14.2491i 65.6723 −75.0363 367.355 935.771i 501.747 754.684i 2125.86 5234.48i
108.15 12.0377i 26.3124 −16.9068 54.1389 316.741i −225.072 1337.31i −1494.66 651.710i
108.16 12.0291i −31.0591 −16.6993 −170.363 373.613i −271.091 1338.85i −1222.34 2049.32i
108.17 11.2548i 88.3366 1.33012 −147.950 994.209i −1272.73 1455.58i 5616.36 1665.14i
108.18 10.9727i −20.6182 7.60069 −529.822 226.236i 1447.54 1487.90i −1761.89 5813.56i
108.19 9.83474i 28.1069 31.2778 −189.209 276.424i −141.499 1566.46i −1397.00 1860.82i
108.20 8.61539i −73.6630 53.7750 305.812 634.636i 1462.18 1566.06i 3239.24 2634.69i
See all 62 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 108.62
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
109.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 109.8.b.a 62
109.b even 2 1 inner 109.8.b.a 62
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
109.8.b.a 62 1.a even 1 1 trivial
109.8.b.a 62 109.b even 2 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{8}^{\mathrm{new}}(109, [\chi])\).