Properties

Label 2271.1.bm.a
Level $2271$
Weight $1$
Character orbit 2271.bm
Analytic conductor $1.133$
Analytic rank $0$
Dimension $36$
Projective image $D_{63}$
CM discriminant -3
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2271,1,Mod(176,2271)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2271, base_ring=CyclotomicField(126))
 
chi = DirichletCharacter(H, H._module([63, 16]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2271.176");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2271 = 3 \cdot 757 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2271.bm (of order \(126\), degree \(36\), 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: \(1.13337664369\)
Analytic rank: \(0\)
Dimension: \(36\)
Coefficient field: \(\Q(\zeta_{63})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{36} - x^{33} + x^{27} - x^{24} + x^{18} - x^{12} + x^{9} - x^{3} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{4}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{63}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{63} - \cdots)\)

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

The \(q\)-expansion and trace form are shown below.

\(f(q)\) \(=\) \( q - \zeta_{126}^{21} q^{3} - \zeta_{126}^{53} q^{4} + ( - \zeta_{126}^{55} + \zeta_{126}^{28}) q^{7} + \zeta_{126}^{42} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q - \zeta_{126}^{21} q^{3} - \zeta_{126}^{53} q^{4} + ( - \zeta_{126}^{55} + \zeta_{126}^{28}) q^{7} + \zeta_{126}^{42} q^{9} - \zeta_{126}^{11} q^{12} + ( - \zeta_{126}^{19} + \zeta_{126}^{12}) q^{13} - \zeta_{126}^{43} q^{16} + (\zeta_{126}^{58} + \zeta_{126}^{18}) q^{19} + ( - \zeta_{126}^{49} - \zeta_{126}^{13}) q^{21} - \zeta_{126}^{59} q^{25} + q^{27} + ( - \zeta_{126}^{45} + \zeta_{126}^{18}) q^{28} + ( - \zeta_{126}^{15} + \zeta_{126}^{4}) q^{31} + \zeta_{126}^{32} q^{36} + (\zeta_{126}^{58} - \zeta_{126}^{45}) q^{37} + (\zeta_{126}^{40} - \zeta_{126}^{33}) q^{39} + (\zeta_{126}^{62} + \zeta_{126}^{6}) q^{43} - \zeta_{126} q^{48} + (\zeta_{126}^{56} + \cdots + \zeta_{126}^{20}) q^{49} + \cdots + ( - \zeta_{126}^{29} + \zeta_{126}^{14}) q^{97} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 36 q - 18 q^{3} - 18 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 36 q - 18 q^{3} - 18 q^{9} + 3 q^{13} - 6 q^{19} + 36 q^{27} - 12 q^{28} + 3 q^{31} - 6 q^{37} + 3 q^{39} + 3 q^{43} - 6 q^{52} + 3 q^{57} + 3 q^{64} - 6 q^{67} + 3 q^{76} + 6 q^{79} - 18 q^{81} + 6 q^{84} - 6 q^{93}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2271\mathbb{Z}\right)^\times\).

\(n\) \(758\) \(1516\)
\(\chi(n)\) \(-1\) \(-\zeta_{126}^{53}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
176.1
−0.853291 0.521435i
−0.998757 0.0498459i
−0.969077 0.246757i
−0.411287 0.911506i
−0.318487 0.947927i
−0.318487 + 0.947927i
0.878222 0.478254i
−0.0249307 0.999689i
0.542546 + 0.840026i
−0.661686 + 0.749781i
0.921476 0.388435i
0.980172 0.198146i
0.698237 + 0.715867i
−0.661686 0.749781i
−0.583744 0.811938i
−0.124344 0.992239i
0.980172 + 0.198146i
0.921476 + 0.388435i
−0.411287 + 0.911506i
−0.797133 0.603804i
0 −0.500000 + 0.866025i 0.698237 + 0.715867i 0 0 −1.25818 + 1.28995i 0 −0.500000 0.866025i 0
194.1 0 −0.500000 0.866025i 0.878222 0.478254i 0 0 1.09512 + 0.596373i 0 −0.500000 + 0.866025i 0
272.1 0 −0.500000 + 0.866025i −0.797133 0.603804i 0 0 0.354757 0.268718i 0 −0.500000 0.866025i 0
278.1 0 −0.500000 + 0.866025i 0.456211 + 0.889872i 0 0 −0.203033 + 0.396030i 0 −0.500000 0.866025i 0
311.1 0 −0.500000 0.866025i 0.995031 + 0.0995678i 0 0 −1.79298 + 0.179415i 0 −0.500000 + 0.866025i 0
314.1 0 −0.500000 + 0.866025i 0.995031 0.0995678i 0 0 −1.79298 0.179415i 0 −0.500000 0.866025i 0
371.1 0 −0.500000 + 0.866025i 0.270840 0.962624i 0 0 −0.488038 1.73459i 0 −0.500000 0.866025i 0
602.1 0 −0.500000 0.866025i −0.969077 0.246757i 0 0 1.74622 0.444641i 0 −0.500000 + 0.866025i 0
683.1 0 −0.500000 + 0.866025i −0.853291 + 0.521435i 0 0 −1.06404 0.650219i 0 −0.500000 0.866025i 0
827.1 0 −0.500000 0.866025i −0.583744 + 0.811938i 0 0 1.05187 + 1.46306i 0 −0.500000 + 0.866025i 0
848.1 0 −0.500000 0.866025i −0.661686 0.749781i 0 0 −0.825109 + 0.934962i 0 −0.500000 + 0.866025i 0
908.1 0 −0.500000 + 0.866025i −0.411287 + 0.911506i 0 0 0.741114 + 1.64248i 0 −0.500000 0.866025i 0
938.1 0 −0.500000 0.866025i −0.124344 0.992239i 0 0 0.0553382 0.441588i 0 −0.500000 + 0.866025i 0
1049.1 0 −0.500000 + 0.866025i −0.583744 0.811938i 0 0 1.05187 1.46306i 0 −0.500000 0.866025i 0
1100.1 0 −0.500000 0.866025i −0.998757 + 0.0498459i 0 0 0.444489 + 0.0221835i 0 −0.500000 + 0.866025i 0
1115.1 0 −0.500000 + 0.866025i −0.318487 0.947927i 0 0 −0.397146 + 1.18205i 0 −0.500000 0.866025i 0
1133.1 0 −0.500000 0.866025i −0.411287 0.911506i 0 0 0.741114 1.64248i 0 −0.500000 + 0.866025i 0
1331.1 0 −0.500000 + 0.866025i −0.661686 + 0.749781i 0 0 −0.825109 0.934962i 0 −0.500000 0.866025i 0
1691.1 0 −0.500000 0.866025i 0.456211 0.889872i 0 0 −0.203033 0.396030i 0 −0.500000 + 0.866025i 0
1700.1 0 −0.500000 0.866025i 0.980172 0.198146i 0 0 1.22226 + 0.247084i 0 −0.500000 + 0.866025i 0
See all 36 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 176.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 CM by \(\Q(\sqrt{-3}) \)
757.q even 63 1 inner
2271.bm odd 126 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2271.1.bm.a 36
3.b odd 2 1 CM 2271.1.bm.a 36
757.q even 63 1 inner 2271.1.bm.a 36
2271.bm odd 126 1 inner 2271.1.bm.a 36
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2271.1.bm.a 36 1.a even 1 1 trivial
2271.1.bm.a 36 3.b odd 2 1 CM
2271.1.bm.a 36 757.q even 63 1 inner
2271.1.bm.a 36 2271.bm odd 126 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{1}^{\mathrm{new}}(2271, [\chi])\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{36} \) Copy content Toggle raw display
$3$ \( (T^{2} + T + 1)^{18} \) Copy content Toggle raw display
$5$ \( T^{36} \) Copy content Toggle raw display
$7$ \( T^{36} - T^{33} + \cdots + 1 \) Copy content Toggle raw display
$11$ \( T^{36} \) Copy content Toggle raw display
$13$ \( T^{36} - 3 T^{35} + \cdots + 1 \) Copy content Toggle raw display
$17$ \( T^{36} \) Copy content Toggle raw display
$19$ \( T^{36} + 6 T^{35} + \cdots + 1 \) Copy content Toggle raw display
$23$ \( T^{36} \) Copy content Toggle raw display
$29$ \( T^{36} \) Copy content Toggle raw display
$31$ \( T^{36} - 3 T^{35} + \cdots + 1 \) Copy content Toggle raw display
$37$ \( T^{36} + 6 T^{35} + \cdots + 1 \) Copy content Toggle raw display
$41$ \( T^{36} \) Copy content Toggle raw display
$43$ \( T^{36} - 3 T^{35} + \cdots + 1 \) Copy content Toggle raw display
$47$ \( T^{36} \) Copy content Toggle raw display
$53$ \( T^{36} \) Copy content Toggle raw display
$59$ \( T^{36} \) Copy content Toggle raw display
$61$ \( T^{36} - 3 T^{34} + \cdots + 1 \) Copy content Toggle raw display
$67$ \( T^{36} + 6 T^{35} + \cdots + 1 \) Copy content Toggle raw display
$71$ \( T^{36} \) Copy content Toggle raw display
$73$ \( T^{36} + T^{33} + \cdots + 1 \) Copy content Toggle raw display
$79$ \( (T^{6} - T^{5} + T^{4} + \cdots + 1)^{6} \) Copy content Toggle raw display
$83$ \( T^{36} \) Copy content Toggle raw display
$89$ \( T^{36} \) Copy content Toggle raw display
$97$ \( T^{36} + 8 T^{33} + \cdots + 1 \) Copy content Toggle raw display
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