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Properties

Label 441.2.bg.a
Level $441$
Weight $2$
Character orbit 441.bg
Analytic conductor $3.521$
Analytic rank $0$
Dimension $216$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [441,2,Mod(17,441)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(441, base_ring=CyclotomicField(42))
 
chi = DirichletCharacter(H, H._module([21, 25]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("441.17");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 441 = 3^{2} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 441.bg (of order \(42\), degree \(12\), 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: \(3.52140272914\)
Analytic rank: \(0\)
Dimension: \(216\)
Relative dimension: \(18\) over \(\Q(\zeta_{42})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{42}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 216 q - 16 q^{4} + 2 q^{7}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 216 q - 16 q^{4} + 2 q^{7} + 12 q^{10} + 12 q^{16} - 6 q^{19} + 44 q^{22} + 26 q^{25} + 84 q^{28} - 6 q^{31} - 112 q^{34} + 60 q^{37} - 304 q^{40} + 20 q^{43} - 20 q^{46} - 86 q^{49} - 168 q^{52} - 84 q^{55} - 120 q^{58} - 2 q^{61} + 32 q^{64} + 22 q^{67} - 136 q^{70} - 6 q^{73} + 84 q^{76} + 2 q^{79} - 104 q^{82} + 96 q^{85} - 12 q^{88} + 58 q^{91} + 52 q^{94}+O(q^{100}) \) Copy content Toggle raw display

Display 100 coefficients 10 coefficients

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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
17.1 −2.68471 + 0.201191i 0 5.18952 − 0.782194i −0.00530717 + 0.00492433i 0 −1.62374 − 2.08889i −8.52551 + 1.94589i 0 0.0132575 − 0.0142882i
17.2 −2.47614 + 0.185561i 0 4.11916 − 0.620863i 1.08753 − 1.00908i 0 0.513890 − 2.59536i −5.24274 + 1.19662i 0 −2.50562 + 2.70041i
17.3 −2.05710 + 0.154158i 0 2.23024 − 0.336155i −1.16105 + 1.07730i 0 1.82087 + 1.91949i −0.513717 + 0.117252i 0 2.22233 − 2.39510i
17.4 −1.57786 + 0.118244i 0 0.497985 − 0.0750592i −2.70933 + 2.51389i 0 1.38562 − 2.25390i 2.30834 − 0.526865i 0 3.97769 − 4.28693i
17.5 −1.51461 + 0.113504i 0 0.303503 − 0.0457458i 2.45092 − 2.27412i 0 1.78982 + 1.94847i 2.50706 − 0.572220i 0 −3.45407 + 3.72260i
17.6 −1.49398 + 0.111958i 0 0.241771 − 0.0364412i 1.96165 − 1.82014i 0 −2.52569 + 0.787950i 2.56409 − 0.585236i 0 −2.72688 + 2.93888i
17.7 −0.859142 + 0.0643838i 0 −1.24368 + 0.187455i 0.593873 − 0.551034i 0 −2.64451 − 0.0809471i 2.73633 − 0.624550i 0 −0.474744 + 0.511652i
17.8 −0.601956 + 0.0451104i 0 −1.61735 + 0.243776i −1.12371 + 1.04265i 0 −0.186554 − 2.63917i 2.13959 − 0.488348i 0 0.629389 − 0.678320i
17.9 −0.409998 + 0.0307251i 0 −1.81051 + 0.272890i −2.06043 + 1.91180i 0 −0.0705282 + 2.64481i 1.53560 − 0.350490i 0 0.786031 − 0.847140i
17.10 0.409998 − 0.0307251i 0 −1.81051 + 0.272890i 2.06043 − 1.91180i 0 −0.0705282 + 2.64481i −1.53560 + 0.350490i 0 0.786031 − 0.847140i
17.11 0.601956 − 0.0451104i 0 −1.61735 + 0.243776i 1.12371 − 1.04265i 0 −0.186554 − 2.63917i −2.13959 + 0.488348i 0 0.629389 − 0.678320i
17.12 0.859142 − 0.0643838i 0 −1.24368 + 0.187455i −0.593873 + 0.551034i 0 −2.64451 − 0.0809471i −2.73633 + 0.624550i 0 −0.474744 + 0.511652i
17.13 1.49398 − 0.111958i 0 0.241771 − 0.0364412i −1.96165 + 1.82014i 0 −2.52569 + 0.787950i −2.56409 + 0.585236i 0 −2.72688 + 2.93888i
17.14 1.51461 − 0.113504i 0 0.303503 − 0.0457458i −2.45092 + 2.27412i 0 1.78982 + 1.94847i −2.50706 + 0.572220i 0 −3.45407 + 3.72260i
17.15 1.57786 − 0.118244i 0 0.497985 − 0.0750592i 2.70933 − 2.51389i 0 1.38562 − 2.25390i −2.30834 + 0.526865i 0 3.97769 − 4.28693i
17.16 2.05710 − 0.154158i 0 2.23024 − 0.336155i 1.16105 − 1.07730i 0 1.82087 + 1.91949i 0.513717 − 0.117252i 0 2.22233 − 2.39510i
17.17 2.47614 − 0.185561i 0 4.11916 − 0.620863i −1.08753 + 1.00908i 0 0.513890 − 2.59536i 5.24274 − 1.19662i 0 −2.50562 + 2.70041i
17.18 2.68471 − 0.201191i 0 5.18952 − 0.782194i 0.00530717 − 0.00492433i 0 −1.62374 − 2.08889i 8.52551 − 1.94589i 0 0.0132575 − 0.0142882i
26.1 −2.68471 − 0.201191i 0 5.18952 + 0.782194i −0.00530717 − 0.00492433i 0 −1.62374 + 2.08889i −8.52551 − 1.94589i 0 0.0132575 + 0.0142882i
26.2 −2.47614 − 0.185561i 0 4.11916 + 0.620863i 1.08753 + 1.00908i 0 0.513890 + 2.59536i −5.24274 − 1.19662i 0 −2.50562 − 2.70041i
See next 80 embeddings (of 216 total)
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 17.18
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
49.h odd 42 1 inner
147.o even 42 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 441.2.bg.a ✓ 216
3.b odd 2 1 inner 441.2.bg.a ✓ 216
49.h odd 42 1 inner 441.2.bg.a ✓ 216
147.o even 42 1 inner 441.2.bg.a ✓ 216
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
441.2.bg.a ✓ 216 1.a even 1 1 trivial
441.2.bg.a ✓ 216 3.b odd 2 1 inner
441.2.bg.a ✓ 216 49.h odd 42 1 inner
441.2.bg.a ✓ 216 147.o even 42 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(441, [\chi])\).