Properties

Label 1944.1.bh.a
Level $1944$
Weight $1$
Character orbit 1944.bh
Analytic conductor $0.970$
Analytic rank $0$
Dimension $54$
Projective image $D_{81}$
CM discriminant -8
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1944,1,Mod(43,1944)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1944, base_ring=CyclotomicField(162))
 
chi = DirichletCharacter(H, H._module([81, 81, 130]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1944.43");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1944 = 2^{3} \cdot 3^{5} \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 1944.bh (of order \(162\), degree \(54\), 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: \(0.970182384559\)
Analytic rank: \(0\)
Dimension: \(54\)
Coefficient field: \(\Q(\zeta_{162})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{54} - x^{27} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{81}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{81} + \cdots)\)

$q$-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.

\(f(q)\) \(=\) \( q + \zeta_{162}^{32} q^{2} - \zeta_{162}^{29} q^{3} + \zeta_{162}^{64} q^{4} - \zeta_{162}^{61} q^{6} - \zeta_{162}^{15} q^{8} + \zeta_{162}^{58} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{162}^{32} q^{2} - \zeta_{162}^{29} q^{3} + \zeta_{162}^{64} q^{4} - \zeta_{162}^{61} q^{6} - \zeta_{162}^{15} q^{8} + \zeta_{162}^{58} q^{9} + (\zeta_{162}^{28} - \zeta_{162}^{21}) q^{11} + \zeta_{162}^{12} q^{12} - \zeta_{162}^{47} q^{16} + ( - \zeta_{162}^{71} + \zeta_{162}^{16}) q^{17} - \zeta_{162}^{9} q^{18} + (\zeta_{162}^{62} + \zeta_{162}^{40}) q^{19} + (\zeta_{162}^{60} - \zeta_{162}^{53}) q^{22} + \zeta_{162}^{44} q^{24} + \zeta_{162}^{14} q^{25} + \zeta_{162}^{6} q^{27} - \zeta_{162}^{79} q^{32} + ( - \zeta_{162}^{57} + \zeta_{162}^{50}) q^{33} + (\zeta_{162}^{48} + \zeta_{162}^{22}) q^{34} - \zeta_{162}^{41} q^{36} + (\zeta_{162}^{72} - \zeta_{162}^{13}) q^{38} + ( - \zeta_{162}^{51} + \zeta_{162}^{20}) q^{41} + (\zeta_{162}^{34} + \zeta_{162}^{24}) q^{43} + ( - \zeta_{162}^{11} + \zeta_{162}^{4}) q^{44} + \zeta_{162}^{76} q^{48} - \zeta_{162}^{25} q^{49} + \zeta_{162}^{46} q^{50} + ( - \zeta_{162}^{45} - \zeta_{162}^{19}) q^{51} + \zeta_{162}^{38} q^{54} + ( - \zeta_{162}^{69} + \zeta_{162}^{10}) q^{57} + (\zeta_{162}^{36} - \zeta_{162}^{23}) q^{59} + \zeta_{162}^{30} q^{64} + (\zeta_{162}^{8} - \zeta_{162}) q^{66} + ( - \zeta_{162}^{59} - \zeta_{162}^{3}) q^{67} + (\zeta_{162}^{80} + \zeta_{162}^{54}) q^{68} - \zeta_{162}^{73} q^{72} + (\zeta_{162}^{46} + \zeta_{162}^{38}) q^{73} - \zeta_{162}^{43} q^{75} + ( - \zeta_{162}^{45} - \zeta_{162}^{23}) q^{76} - \zeta_{162}^{35} q^{81} + (\zeta_{162}^{52} + \zeta_{162}^{2}) q^{82} + ( - \zeta_{162}^{65} + \zeta_{162}^{26}) q^{83} + (\zeta_{162}^{66} + \zeta_{162}^{56}) q^{86} + ( - \zeta_{162}^{43} + \zeta_{162}^{36}) q^{88} + ( - \zeta_{162}^{39} + \zeta_{162}^{18}) q^{89} - \zeta_{162}^{27} q^{96} + (\zeta_{162}^{66} - \zeta_{162}) q^{97} - \zeta_{162}^{57} q^{98} + ( - \zeta_{162}^{79} - \zeta_{162}^{5}) q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 54 q+O(q^{10}) \) Copy content Toggle raw display \( 54 q - 27 q^{68} - 27 q^{96}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1944\mathbb{Z}\right)^\times\).

\(n\) \(487\) \(973\) \(1217\)
\(\chi(n)\) \(-1\) \(-1\) \(\zeta_{162}^{64}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
43.1
−0.0193913 0.999812i
−0.533204 0.845986i
0.431386 0.902167i
−0.249441 + 0.968390i
−0.925724 0.378200i
−0.856167 0.516699i
0.981255 0.192712i
−0.952248 0.305326i
0.963371 + 0.268173i
0.431386 + 0.902167i
0.211704 0.977334i
−0.987990 + 0.154519i
0.360178 + 0.932884i
−0.925724 + 0.378200i
−0.0968109 + 0.995303i
0.910363 + 0.413811i
0.999248 + 0.0387754i
−0.657521 + 0.753436i
−0.856167 + 0.516699i
−0.466044 + 0.884762i
0.813552 0.581492i 0.533204 + 0.845986i 0.323734 0.946148i 0 0.925724 + 0.378200i 0 −0.286803 0.957990i −0.431386 + 0.902167i 0
67.1 0.657521 + 0.753436i −0.565607 0.824675i −0.135331 + 0.990800i 0 0.249441 0.968390i 0 −0.835488 + 0.549509i −0.360178 + 0.932884i 0
115.1 −0.135331 + 0.990800i −0.360178 + 0.932884i −0.963371 0.268173i 0 −0.875558 0.483113i 0 0.396080 0.918216i −0.740544 0.672008i 0
139.1 −0.211704 + 0.977334i 0.856167 0.516699i −0.910363 0.413811i 0 0.323734 + 0.946148i 0 0.597159 0.802123i 0.466044 0.884762i 0
187.1 0.987990 0.154519i 0.249441 0.968390i 0.952248 0.305326i 0 0.0968109 0.995303i 0 0.893633 0.448799i −0.875558 0.483113i 0
211.1 0.0968109 0.995303i −0.999248 0.0387754i −0.981255 0.192712i 0 −0.135331 + 0.990800i 0 −0.286803 + 0.957990i 0.996993 + 0.0774924i 0
259.1 0.996993 + 0.0774924i −0.790393 0.612601i 0.987990 + 0.154519i 0 −0.740544 0.672008i 0 0.973045 + 0.230616i 0.249441 + 0.968390i 0
283.1 −0.875558 0.483113i −0.910363 + 0.413811i 0.533204 + 0.845986i 0 0.996993 + 0.0774924i 0 −0.0581448 0.998308i 0.657521 0.753436i 0
331.1 −0.740544 + 0.672008i 0.0193913 0.999812i 0.0968109 0.995303i 0 0.657521 + 0.753436i 0 0.597159 + 0.802123i −0.999248 0.0387754i 0
355.1 −0.135331 0.990800i −0.360178 0.932884i −0.963371 + 0.268173i 0 −0.875558 + 0.483113i 0 0.396080 + 0.918216i −0.740544 + 0.672008i 0
403.1 0.856167 + 0.516699i 0.0968109 + 0.995303i 0.466044 + 0.884762i 0 −0.431386 + 0.902167i 0 −0.0581448 + 0.998308i −0.981255 + 0.192712i 0
427.1 0.249441 + 0.968390i −0.211704 + 0.977334i −0.875558 + 0.483113i 0 −0.999248 + 0.0387754i 0 −0.686242 0.727374i −0.910363 0.413811i 0
475.1 0.713930 + 0.700217i 0.952248 + 0.305326i 0.0193913 + 0.999812i 0 0.466044 + 0.884762i 0 −0.686242 + 0.727374i 0.813552 + 0.581492i 0
499.1 0.987990 + 0.154519i 0.249441 + 0.968390i 0.952248 + 0.305326i 0 0.0968109 + 0.995303i 0 0.893633 + 0.448799i −0.875558 + 0.483113i 0
547.1 −0.999248 + 0.0387754i 0.323734 + 0.946148i 0.996993 0.0774924i 0 −0.360178 0.932884i 0 −0.993238 + 0.116093i −0.790393 + 0.612601i 0
571.1 0.466044 + 0.884762i −0.981255 + 0.192712i −0.565607 + 0.824675i 0 −0.627812 0.778365i 0 −0.993238 0.116093i 0.925724 0.378200i 0
619.1 0.323734 + 0.946148i −0.431386 0.902167i −0.790393 + 0.612601i 0 0.713930 0.700217i 0 −0.835488 0.549509i −0.627812 + 0.778365i 0
643.1 −0.565607 0.824675i 0.925724 + 0.378200i −0.360178 + 0.932884i 0 −0.211704 0.977334i 0 0.973045 0.230616i 0.713930 + 0.700217i 0
691.1 0.0968109 + 0.995303i −0.999248 + 0.0387754i −0.981255 + 0.192712i 0 −0.135331 0.990800i 0 −0.286803 0.957990i 0.996993 0.0774924i 0
715.1 −0.981255 + 0.192712i 0.996993 0.0774924i 0.925724 0.378200i 0 −0.963371 + 0.268173i 0 −0.835488 + 0.549509i 0.987990 0.154519i 0
See all 54 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 43.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
8.d odd 2 1 CM by \(\Q(\sqrt{-2}) \)
243.i even 81 1 inner
1944.bh odd 162 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1944.1.bh.a 54
8.d odd 2 1 CM 1944.1.bh.a 54
243.i even 81 1 inner 1944.1.bh.a 54
1944.bh odd 162 1 inner 1944.1.bh.a 54
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1944.1.bh.a 54 1.a even 1 1 trivial
1944.1.bh.a 54 8.d odd 2 1 CM
1944.1.bh.a 54 243.i even 81 1 inner
1944.1.bh.a 54 1944.bh odd 162 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{1}^{\mathrm{new}}(1944, [\chi])\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{54} + T^{27} + 1 \) Copy content Toggle raw display
$3$ \( T^{54} + T^{27} + 1 \) Copy content Toggle raw display
$5$ \( T^{54} \) Copy content Toggle raw display
$7$ \( T^{54} \) Copy content Toggle raw display
$11$ \( T^{54} + 27 T^{47} + \cdots + 1 \) Copy content Toggle raw display
$13$ \( T^{54} \) Copy content Toggle raw display
$17$ \( T^{54} + 27 T^{49} + \cdots + 1 \) Copy content Toggle raw display
$19$ \( T^{54} - 162 T^{47} + \cdots + 1 \) Copy content Toggle raw display
$23$ \( T^{54} \) Copy content Toggle raw display
$29$ \( T^{54} \) Copy content Toggle raw display
$31$ \( T^{54} \) Copy content Toggle raw display
$37$ \( T^{54} \) Copy content Toggle raw display
$41$ \( T^{54} - 108 T^{49} + \cdots + 1 \) Copy content Toggle raw display
$43$ \( T^{54} + 3 T^{45} + \cdots + 1 \) Copy content Toggle raw display
$47$ \( T^{54} \) Copy content Toggle raw display
$53$ \( T^{54} \) Copy content Toggle raw display
$59$ \( T^{54} + 9 T^{51} + \cdots + 1 \) Copy content Toggle raw display
$61$ \( T^{54} \) Copy content Toggle raw display
$67$ \( T^{54} + 135 T^{47} + \cdots + 1 \) Copy content Toggle raw display
$71$ \( T^{54} \) Copy content Toggle raw display
$73$ \( T^{54} + 27 T^{40} + \cdots + 1 \) Copy content Toggle raw display
$79$ \( T^{54} \) Copy content Toggle raw display
$83$ \( T^{54} + 27 T^{48} + \cdots + 1 \) Copy content Toggle raw display
$89$ \( (T^{18} + 3 T^{15} + \cdots + 1)^{3} \) Copy content Toggle raw display
$97$ \( T^{54} + 54 T^{49} + \cdots + 1 \) Copy content Toggle raw display
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