Properties

Label 855.2.da.c
Level $855$
Weight $2$
Character orbit 855.da
Analytic conductor $6.827$
Analytic rank $0$
Dimension $96$
CM no
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [855,2,Mod(199,855)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(855, base_ring=CyclotomicField(18))
 
chi = DirichletCharacter(H, H._module([0, 9, 8]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("855.199");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 855 = 3^{2} \cdot 5 \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 855.da (of order \(18\), degree \(6\), 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: \(6.82720937282\)
Analytic rank: \(0\)
Dimension: \(96\)
Relative dimension: \(16\) over \(\Q(\zeta_{18})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{18}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 96 q+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 96 q + 12 q^{10} - 48 q^{16} - 24 q^{19} - 36 q^{25} - 72 q^{31} + 90 q^{40} - 72 q^{46} + 132 q^{49} - 18 q^{55} - 60 q^{61} - 108 q^{64} + 60 q^{70} + 24 q^{76} - 168 q^{79} + 126 q^{85} - 60 q^{91} + 432 q^{94}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
199.1 −2.44017 + 0.430268i 0 3.88992 1.41581i −1.18385 + 1.89697i 0 −3.88542 2.24325i −4.59119 + 2.65072i 0 2.07259 5.13831i
199.2 −2.44017 + 0.430268i 0 3.88992 1.41581i −0.312467 + 2.21413i 0 3.88542 + 2.24325i −4.59119 + 2.65072i 0 −0.190196 5.53730i
199.3 −1.88977 + 0.333218i 0 1.58082 0.575373i −2.03350 0.929980i 0 1.86561 + 1.07711i 0.528003 0.304842i 0 4.15275 + 1.07985i
199.4 −1.88977 + 0.333218i 0 1.58082 0.575373i 2.15553 + 0.594705i 0 −1.86561 1.07711i 0.528003 0.304842i 0 −4.27164 0.405594i
199.5 −1.01346 + 0.178700i 0 −0.884219 + 0.321829i −2.13118 + 0.676823i 0 0.455113 + 0.262760i 2.62105 1.51326i 0 2.03891 1.06677i
199.6 −1.01346 + 0.178700i 0 −0.884219 + 0.321829i 1.19752 + 1.88837i 0 −0.455113 0.262760i 2.62105 1.51326i 0 −1.55109 1.69979i
199.7 −0.339897 + 0.0599330i 0 −1.76745 + 0.643298i −2.07651 + 0.829529i 0 −2.36837 1.36738i 1.16000 0.669724i 0 0.656083 0.406406i
199.8 −0.339897 + 0.0599330i 0 −1.76745 + 0.643298i 1.05749 + 1.97021i 0 2.36837 + 1.36738i 1.16000 0.669724i 0 −0.477517 0.606290i
199.9 0.339897 0.0599330i 0 −1.76745 + 0.643298i −1.05749 1.97021i 0 2.36837 + 1.36738i −1.16000 + 0.669724i 0 −0.477517 0.606290i
199.10 0.339897 0.0599330i 0 −1.76745 + 0.643298i 2.07651 0.829529i 0 −2.36837 1.36738i −1.16000 + 0.669724i 0 0.656083 0.406406i
199.11 1.01346 0.178700i 0 −0.884219 + 0.321829i −1.19752 1.88837i 0 −0.455113 0.262760i −2.62105 + 1.51326i 0 −1.55109 1.69979i
199.12 1.01346 0.178700i 0 −0.884219 + 0.321829i 2.13118 0.676823i 0 0.455113 + 0.262760i −2.62105 + 1.51326i 0 2.03891 1.06677i
199.13 1.88977 0.333218i 0 1.58082 0.575373i −2.15553 0.594705i 0 −1.86561 1.07711i −0.528003 + 0.304842i 0 −4.27164 0.405594i
199.14 1.88977 0.333218i 0 1.58082 0.575373i 2.03350 + 0.929980i 0 1.86561 + 1.07711i −0.528003 + 0.304842i 0 4.15275 + 1.07985i
199.15 2.44017 0.430268i 0 3.88992 1.41581i 0.312467 2.21413i 0 3.88542 + 2.24325i 4.59119 2.65072i 0 −0.190196 5.53730i
199.16 2.44017 0.430268i 0 3.88992 1.41581i 1.18385 1.89697i 0 −3.88542 2.24325i 4.59119 2.65072i 0 2.07259 5.13831i
244.1 −1.63349 + 1.94672i 0 −0.774122 4.39026i 1.32890 + 1.79834i 0 −4.00758 + 2.31378i 5.40953 + 3.12319i 0 −5.67160 0.350572i
244.2 −1.63349 + 1.94672i 0 −0.774122 4.39026i 1.86383 1.23537i 0 4.00758 2.31378i 5.40953 + 3.12319i 0 −0.639617 + 5.64631i
244.3 −1.26951 + 1.51294i 0 −0.330046 1.87178i −0.00846887 + 2.23605i 0 1.82455 1.05340i −0.169918 0.0981021i 0 −3.37227 2.85150i
244.4 −1.26951 + 1.51294i 0 −0.330046 1.87178i 0.756817 2.10410i 0 −1.82455 + 1.05340i −0.169918 0.0981021i 0 2.22260 + 3.81620i
See all 96 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 199.16
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
5.b even 2 1 inner
15.d odd 2 1 inner
19.e even 9 1 inner
57.l odd 18 1 inner
95.p even 18 1 inner
285.bd odd 18 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 855.2.da.c 96
3.b odd 2 1 inner 855.2.da.c 96
5.b even 2 1 inner 855.2.da.c 96
15.d odd 2 1 inner 855.2.da.c 96
19.e even 9 1 inner 855.2.da.c 96
57.l odd 18 1 inner 855.2.da.c 96
95.p even 18 1 inner 855.2.da.c 96
285.bd odd 18 1 inner 855.2.da.c 96
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
855.2.da.c 96 1.a even 1 1 trivial
855.2.da.c 96 3.b odd 2 1 inner
855.2.da.c 96 5.b even 2 1 inner
855.2.da.c 96 15.d odd 2 1 inner
855.2.da.c 96 19.e even 9 1 inner
855.2.da.c 96 57.l odd 18 1 inner
855.2.da.c 96 95.p even 18 1 inner
855.2.da.c 96 285.bd odd 18 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{48} + 6 T_{2}^{44} - 269 T_{2}^{42} - 444 T_{2}^{40} + 1098 T_{2}^{38} + 59043 T_{2}^{36} + \cdots + 18496 \) acting on \(S_{2}^{\mathrm{new}}(855, [\chi])\). Copy content Toggle raw display