Properties

Label 912.2.ci.a
Level $912$
Weight $2$
Character orbit 912.ci
Analytic conductor $7.282$
Analytic rank $1$
Dimension $6$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [912,2,Mod(79,912)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(912, base_ring=CyclotomicField(18))
 
chi = DirichletCharacter(H, H._module([9, 0, 0, 13]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("912.79");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 912 = 2^{4} \cdot 3 \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 912.ci (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: \(7.28235666434\)
Analytic rank: \(1\)
Dimension: \(6\)
Coefficient field: \(\Q(\zeta_{18})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - x^{3} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{18}]$

$q$-expansion

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

Coefficients of the \(q\)-expansion are expressed in terms of a primitive root of unity \(\zeta_{18}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \zeta_{18}^{2} q^{3} + ( - \zeta_{18}^{5} + \zeta_{18}^{4} + \cdots - 1) q^{5}+ \cdots + \zeta_{18}^{4} q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{18}^{2} q^{3} + ( - \zeta_{18}^{5} + \zeta_{18}^{4} + \cdots - 1) q^{5}+ \cdots + ( - \zeta_{18}^{5} - 2 \zeta_{18}^{4} + \cdots + 2) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 6 q^{5} - 9 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 6 q - 6 q^{5} - 9 q^{7} - 9 q^{11} - 6 q^{13} - 6 q^{15} - 12 q^{17} - 18 q^{19} + 3 q^{21} - 3 q^{23} - 3 q^{27} - 6 q^{31} - 9 q^{33} - 12 q^{41} + 3 q^{45} - 39 q^{47} - 6 q^{49} - 3 q^{51} - 12 q^{53} + 9 q^{55} + 9 q^{57} - 12 q^{59} + 27 q^{61} - 3 q^{63} + 9 q^{65} - 36 q^{67} - 18 q^{71} - 9 q^{73} - 12 q^{75} + 18 q^{79} + 9 q^{83} + 27 q^{85} + 27 q^{87} + 3 q^{89} + 12 q^{91} + 24 q^{93} + 24 q^{95} - 3 q^{97} + 9 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/912\mathbb{Z}\right)^\times\).

\(n\) \(97\) \(229\) \(305\) \(799\)
\(\chi(n)\) \(\zeta_{18}\) \(1\) \(1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
79.1
−0.173648 0.984808i
−0.173648 + 0.984808i
−0.766044 + 0.642788i
−0.766044 0.642788i
0.939693 0.342020i
0.939693 + 0.342020i
0 −0.939693 + 0.342020i 0 −0.233956 + 1.32683i 0 −3.20574 + 1.85083i 0 0.766044 0.642788i 0
127.1 0 −0.939693 0.342020i 0 −0.233956 1.32683i 0 −3.20574 1.85083i 0 0.766044 + 0.642788i 0
223.1 0 0.173648 0.984808i 0 −1.93969 1.62760i 0 −0.386659 + 0.223238i 0 −0.939693 0.342020i 0
319.1 0 0.173648 + 0.984808i 0 −1.93969 + 1.62760i 0 −0.386659 0.223238i 0 −0.939693 + 0.342020i 0
751.1 0 0.766044 0.642788i 0 −0.826352 0.300767i 0 −0.907604 0.524005i 0 0.173648 0.984808i 0
895.1 0 0.766044 + 0.642788i 0 −0.826352 + 0.300767i 0 −0.907604 + 0.524005i 0 0.173648 + 0.984808i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 79.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
76.k even 18 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 912.2.ci.a 6
4.b odd 2 1 912.2.ci.b yes 6
19.f odd 18 1 912.2.ci.b yes 6
76.k even 18 1 inner 912.2.ci.a 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
912.2.ci.a 6 1.a even 1 1 trivial
912.2.ci.a 6 76.k even 18 1 inner
912.2.ci.b yes 6 4.b odd 2 1
912.2.ci.b yes 6 19.f odd 18 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(912, [\chi])\):

\( T_{5}^{6} + 6T_{5}^{5} + 18T_{5}^{4} + 30T_{5}^{3} + 36T_{5}^{2} + 27T_{5} + 9 \) Copy content Toggle raw display
\( T_{7}^{6} + 9T_{7}^{5} + 33T_{7}^{4} + 54T_{7}^{3} + 45T_{7}^{2} + 18T_{7} + 3 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} \) Copy content Toggle raw display
$3$ \( T^{6} + T^{3} + 1 \) Copy content Toggle raw display
$5$ \( T^{6} + 6 T^{5} + \cdots + 9 \) Copy content Toggle raw display
$7$ \( T^{6} + 9 T^{5} + \cdots + 3 \) Copy content Toggle raw display
$11$ \( T^{6} + 9 T^{5} + \cdots + 243 \) Copy content Toggle raw display
$13$ \( T^{6} + 6 T^{5} + \cdots + 3 \) Copy content Toggle raw display
$17$ \( T^{6} + 12 T^{5} + \cdots + 9 \) Copy content Toggle raw display
$19$ \( T^{6} + 18 T^{5} + \cdots + 6859 \) Copy content Toggle raw display
$23$ \( T^{6} + 3 T^{5} + \cdots + 1083 \) Copy content Toggle raw display
$29$ \( T^{6} - 18 T^{4} + \cdots + 7803 \) Copy content Toggle raw display
$31$ \( T^{6} + 6 T^{5} + \cdots + 72361 \) Copy content Toggle raw display
$37$ \( T^{6} + 162 T^{4} + \cdots + 70227 \) Copy content Toggle raw display
$41$ \( T^{6} + 12 T^{5} + \cdots + 34347 \) Copy content Toggle raw display
$43$ \( T^{6} + 18 T^{4} + \cdots + 9747 \) Copy content Toggle raw display
$47$ \( T^{6} + 39 T^{5} + \cdots + 604803 \) Copy content Toggle raw display
$53$ \( T^{6} + 12 T^{5} + \cdots + 4107 \) Copy content Toggle raw display
$59$ \( T^{6} + 12 T^{5} + \cdots + 1172889 \) Copy content Toggle raw display
$61$ \( T^{6} - 27 T^{5} + \cdots + 54289 \) Copy content Toggle raw display
$67$ \( T^{6} + 36 T^{5} + \cdots + 179776 \) Copy content Toggle raw display
$71$ \( T^{6} + 18 T^{5} + \cdots + 23409 \) Copy content Toggle raw display
$73$ \( T^{6} + 9 T^{5} + \cdots + 104329 \) Copy content Toggle raw display
$79$ \( T^{6} - 18 T^{5} + \cdots + 26569 \) Copy content Toggle raw display
$83$ \( T^{6} - 9 T^{5} + \cdots + 3 \) Copy content Toggle raw display
$89$ \( T^{6} - 3 T^{5} + \cdots + 98283 \) Copy content Toggle raw display
$97$ \( T^{6} + 3 T^{5} + \cdots + 867 \) Copy content Toggle raw display
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