Properties

Label 387.4.t.a
Level $387$
Weight $4$
Character orbit 387.t
Analytic conductor $22.834$
Analytic rank $0$
Dimension $88$
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [387,4,Mod(80,387)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(387, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([3, 1]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("387.80");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 387 = 3^{2} \cdot 43 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 387.t (of order \(6\), degree \(2\), 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: \(22.8337391722\)
Analytic rank: \(0\)
Dimension: \(88\)
Relative dimension: \(44\) over \(\Q(\zeta_{6})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-expansion

The algebraic \(q\)-expansion of this newform has not been computed, but we have computed the trace expansion.

\(\operatorname{Tr}(f)(q) = \) \( 88 q + 352 q^{4} + 36 q^{7}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 88 q + 352 q^{4} + 36 q^{7} + 72 q^{10} + 4 q^{13} + 1144 q^{16} + 240 q^{19} - 1196 q^{25} - 108 q^{28} + 52 q^{31} - 1152 q^{34} + 1908 q^{37} + 1092 q^{40} + 2312 q^{43} + 288 q^{46} + 1648 q^{49} + 628 q^{52} - 1728 q^{55} - 1464 q^{58} + 912 q^{61} + 3520 q^{64} - 1388 q^{67} + 1764 q^{73} + 3840 q^{76} - 2864 q^{79} - 1548 q^{91} + 5888 q^{97}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
80.1 −5.35626 0 20.6895 −9.40568 + 16.2911i 0 −2.42947 + 1.40265i −67.9681 0 50.3792 87.2594i
80.2 −5.30328 0 20.1247 7.07670 12.2572i 0 −12.6733 + 7.31694i −64.3008 0 −37.5297 + 65.0034i
80.3 −5.08922 0 17.9002 3.55145 6.15129i 0 4.36247 2.51867i −50.3841 0 −18.0741 + 31.3053i
80.4 −4.98565 0 16.8567 −2.40518 + 4.16590i 0 25.3070 14.6110i −44.1561 0 11.9914 20.7697i
80.5 −4.80928 0 15.1292 −7.70326 + 13.3424i 0 −7.35267 + 4.24507i −34.2861 0 37.0471 64.1675i
80.6 −4.68138 0 13.9153 1.86944 3.23797i 0 19.0350 10.9898i −27.6918 0 −8.75157 + 15.1582i
80.7 −4.47280 0 12.0060 5.25937 9.10950i 0 −24.0212 + 13.8686i −17.9179 0 −23.5241 + 40.7450i
80.8 −3.59753 0 4.94224 5.46009 9.45715i 0 −4.91389 + 2.83704i 11.0004 0 −19.6428 + 34.0224i
80.9 −3.54391 0 4.55933 2.54970 4.41620i 0 2.47744 1.43035i 12.1935 0 −9.03590 + 15.6506i
80.10 −3.51282 0 4.33990 −6.78983 + 11.7603i 0 −27.6704 + 15.9755i 12.8573 0 23.8515 41.3119i
80.11 −3.41112 0 3.63575 −5.36870 + 9.29886i 0 −12.9550 + 7.47960i 14.8870 0 18.3133 31.7196i
80.12 −3.19991 0 2.23942 5.99131 10.3773i 0 21.5417 12.4371i 18.4333 0 −19.1716 + 33.2063i
80.13 −2.86531 0 0.209982 −6.86781 + 11.8954i 0 26.1422 15.0932i 22.3208 0 19.6784 34.0839i
80.14 −2.55364 0 −1.47894 −4.53563 + 7.85595i 0 −10.5674 + 6.10110i 24.2058 0 11.5824 20.0612i
80.15 −2.37418 0 −2.36326 −0.0767572 + 0.132947i 0 12.9661 7.48600i 24.6043 0 0.182235 0.315641i
80.16 −2.08595 0 −3.64883 10.2883 17.8199i 0 3.65093 2.10787i 24.2988 0 −21.4609 + 37.1713i
80.17 −1.97161 0 −4.11277 −9.03637 + 15.6514i 0 14.4807 8.36045i 23.8816 0 17.8162 30.8585i
80.18 −0.974030 0 −7.05127 3.52074 6.09810i 0 −8.62429 + 4.97924i 14.6604 0 −3.42931 + 5.93973i
80.19 −0.873662 0 −7.23671 −2.53659 + 4.39350i 0 −26.9512 + 15.5603i 13.3117 0 2.21612 3.83843i
80.20 −0.813803 0 −7.33772 10.6090 18.3754i 0 −17.3555 + 10.0202i 12.4819 0 −8.63367 + 14.9540i
See all 88 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 80.44
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
43.d odd 6 1 inner
129.h even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 387.4.t.a 88
3.b odd 2 1 inner 387.4.t.a 88
43.d odd 6 1 inner 387.4.t.a 88
129.h even 6 1 inner 387.4.t.a 88
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
387.4.t.a 88 1.a even 1 1 trivial
387.4.t.a 88 3.b odd 2 1 inner
387.4.t.a 88 43.d odd 6 1 inner
387.4.t.a 88 129.h even 6 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{4}^{\mathrm{new}}(387, [\chi])\).