Properties

Label 714.2.ba.a
Level $714$
Weight $2$
Character orbit 714.ba
Analytic conductor $5.701$
Analytic rank $0$
Dimension $8$
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] = [714,2,Mod(319,714)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(714, base_ring=CyclotomicField(12))
 
chi = DirichletCharacter(H, H._module([0, 8, 3]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("714.319");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 714 = 2 \cdot 3 \cdot 7 \cdot 17 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 714.ba (of order \(12\), degree \(4\), 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: \(5.70131870432\)
Analytic rank: \(0\)
Dimension: \(8\)
Relative dimension: \(2\) over \(\Q(\zeta_{12})\)
Coefficient field: \(\Q(\zeta_{24})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{12}]$

$q$-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 \(\zeta_{24}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + (\zeta_{24}^{6} - \zeta_{24}^{2}) q^{2} + (\zeta_{24}^{7} - \zeta_{24}^{3}) q^{3} + ( - \zeta_{24}^{4} + 1) q^{4} + (\zeta_{24}^{7} + \cdots + 2 \zeta_{24}^{2}) q^{5}+ \cdots + ( - \zeta_{24}^{6} + \zeta_{24}^{2}) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + (\zeta_{24}^{6} - \zeta_{24}^{2}) q^{2} + (\zeta_{24}^{7} - \zeta_{24}^{3}) q^{3} + ( - \zeta_{24}^{4} + 1) q^{4} + (\zeta_{24}^{7} + \cdots + 2 \zeta_{24}^{2}) q^{5}+ \cdots + (\zeta_{24}^{6} + 1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q + 4 q^{4} - 8 q^{5}+O(q^{10}) \) Copy content Toggle raw display \( 8 q + 4 q^{4} - 8 q^{5} - 8 q^{10} - 4 q^{11} + 8 q^{13} + 12 q^{14} - 4 q^{16} + 8 q^{17} - 4 q^{18} - 16 q^{20} + 4 q^{21} - 8 q^{22} - 20 q^{23} - 12 q^{28} - 16 q^{29} + 4 q^{30} - 12 q^{31} - 16 q^{34} - 52 q^{35} - 4 q^{37} - 8 q^{39} + 8 q^{40} - 32 q^{41} + 4 q^{44} + 8 q^{45} + 20 q^{46} - 4 q^{47} + 32 q^{50} + 12 q^{51} + 4 q^{52} + 32 q^{55} + 32 q^{57} + 8 q^{58} - 20 q^{61} + 24 q^{62} - 12 q^{63} - 8 q^{64} + 24 q^{67} - 8 q^{68} + 16 q^{69} - 24 q^{71} + 4 q^{72} + 12 q^{73} - 4 q^{74} - 16 q^{75} + 16 q^{78} - 8 q^{80} + 4 q^{81} - 16 q^{82} - 4 q^{84} + 24 q^{85} + 32 q^{86} - 4 q^{88} + 16 q^{89} + 16 q^{90} - 16 q^{91} - 40 q^{92} + 16 q^{95} + 64 q^{97} - 20 q^{98} + 8 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/714\mathbb{Z}\right)^\times\).

\(n\) \(239\) \(409\) \(547\)
\(\chi(n)\) \(1\) \(-\zeta_{24}^{4}\) \(\zeta_{24}^{6}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
319.1
0.965926 + 0.258819i
−0.965926 0.258819i
0.258819 0.965926i
−0.258819 + 0.965926i
0.258819 + 0.965926i
−0.258819 0.965926i
0.965926 0.258819i
−0.965926 + 0.258819i
−0.866025 + 0.500000i −0.965926 + 0.258819i 0.500000 0.866025i 0.473232 1.76612i 0.707107 0.707107i −2.43916 1.02494i 1.00000i 0.866025 0.500000i 0.473232 + 1.76612i
319.2 −0.866025 + 0.500000i 0.965926 0.258819i 0.500000 0.866025i 0.990870 3.69798i −0.707107 + 0.707107i −1.02494 2.43916i 1.00000i 0.866025 0.500000i 0.990870 + 3.69798i
361.1 0.866025 0.500000i −0.258819 0.965926i 0.500000 0.866025i −3.69798 0.990870i −0.707107 0.707107i 2.43916 1.02494i 1.00000i −0.866025 + 0.500000i −3.69798 + 0.990870i
361.2 0.866025 0.500000i 0.258819 + 0.965926i 0.500000 0.866025i −1.76612 0.473232i 0.707107 + 0.707107i 1.02494 2.43916i 1.00000i −0.866025 + 0.500000i −1.76612 + 0.473232i
625.1 0.866025 + 0.500000i −0.258819 + 0.965926i 0.500000 + 0.866025i −3.69798 + 0.990870i −0.707107 + 0.707107i 2.43916 + 1.02494i 1.00000i −0.866025 0.500000i −3.69798 0.990870i
625.2 0.866025 + 0.500000i 0.258819 0.965926i 0.500000 + 0.866025i −1.76612 + 0.473232i 0.707107 0.707107i 1.02494 + 2.43916i 1.00000i −0.866025 0.500000i −1.76612 0.473232i
667.1 −0.866025 0.500000i −0.965926 0.258819i 0.500000 + 0.866025i 0.473232 + 1.76612i 0.707107 + 0.707107i −2.43916 + 1.02494i 1.00000i 0.866025 + 0.500000i 0.473232 1.76612i
667.2 −0.866025 0.500000i 0.965926 + 0.258819i 0.500000 + 0.866025i 0.990870 + 3.69798i −0.707107 0.707107i −1.02494 + 2.43916i 1.00000i 0.866025 + 0.500000i 0.990870 3.69798i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 319.2
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.c even 3 1 inner
17.c even 4 1 inner
119.n even 12 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 714.2.ba.a 8
7.c even 3 1 inner 714.2.ba.a 8
17.c even 4 1 inner 714.2.ba.a 8
119.n even 12 1 inner 714.2.ba.a 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
714.2.ba.a 8 1.a even 1 1 trivial
714.2.ba.a 8 7.c even 3 1 inner
714.2.ba.a 8 17.c even 4 1 inner
714.2.ba.a 8 119.n even 12 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{8} + 8T_{5}^{7} + 32T_{5}^{6} + 144T_{5}^{5} + 527T_{5}^{4} + 1008T_{5}^{3} + 1568T_{5}^{2} + 2744T_{5} + 2401 \) acting on \(S_{2}^{\mathrm{new}}(714, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{4} - T^{2} + 1)^{2} \) Copy content Toggle raw display
$3$ \( T^{8} - T^{4} + 1 \) Copy content Toggle raw display
$5$ \( T^{8} + 8 T^{7} + \cdots + 2401 \) Copy content Toggle raw display
$7$ \( T^{8} + 2T^{4} + 2401 \) Copy content Toggle raw display
$11$ \( (T^{4} + 2 T^{3} + 2 T^{2} + \cdots + 4)^{2} \) Copy content Toggle raw display
$13$ \( (T^{2} - 2 T - 7)^{4} \) Copy content Toggle raw display
$17$ \( T^{8} - 8 T^{7} + \cdots + 83521 \) Copy content Toggle raw display
$19$ \( (T^{4} - 32 T^{2} + 1024)^{2} \) Copy content Toggle raw display
$23$ \( T^{8} + 20 T^{7} + \cdots + 4477456 \) Copy content Toggle raw display
$29$ \( (T^{4} + 8 T^{3} + \cdots + 289)^{2} \) Copy content Toggle raw display
$31$ \( T^{8} + 12 T^{7} + \cdots + 6561 \) Copy content Toggle raw display
$37$ \( T^{8} + 4 T^{7} + \cdots + 1336336 \) Copy content Toggle raw display
$41$ \( (T^{4} + 16 T^{3} + \cdots + 961)^{2} \) Copy content Toggle raw display
$43$ \( (T^{4} + 132 T^{2} + 3844)^{2} \) Copy content Toggle raw display
$47$ \( (T^{4} + 2 T^{3} + 5 T^{2} + \cdots + 1)^{2} \) Copy content Toggle raw display
$53$ \( T^{8} - 204 T^{6} + \cdots + 78074896 \) Copy content Toggle raw display
$59$ \( T^{8} - 6 T^{6} + \cdots + 1 \) Copy content Toggle raw display
$61$ \( T^{8} + 20 T^{7} + \cdots + 1336336 \) Copy content Toggle raw display
$67$ \( (T^{4} - 12 T^{3} + \cdots + 784)^{2} \) Copy content Toggle raw display
$71$ \( (T^{4} + 12 T^{3} + \cdots + 6724)^{2} \) Copy content Toggle raw display
$73$ \( T^{8} - 12 T^{7} + \cdots + 45212176 \) Copy content Toggle raw display
$79$ \( T^{8} - 1296 T^{4} + 1679616 \) Copy content Toggle raw display
$83$ \( (T^{4} + 102 T^{2} + 2401)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} - 8 T^{3} + \cdots + 12544)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} - 32 T^{3} + \cdots + 4096)^{2} \) Copy content Toggle raw display
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