Properties

Label 714.2.ba.b
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.

\(f(q)\) \(=\) \( q + \zeta_{24}^{2} q^{2} + \zeta_{24} q^{3} + \zeta_{24}^{4} q^{4} + ( - \zeta_{24}^{5} + \zeta_{24}^{4} + \cdots - 1) q^{5}+ \cdots + \zeta_{24}^{2} q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{24}^{2} q^{2} + \zeta_{24} q^{3} + \zeta_{24}^{4} q^{4} + ( - \zeta_{24}^{5} + \zeta_{24}^{4} + \cdots - 1) q^{5}+ \cdots + (2 \zeta_{24}^{6} + 2 \zeta_{24}^{5} + \cdots - 2) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q + 4 q^{4} - 4 q^{5}+O(q^{10}) \) Copy content Toggle raw display \( 8 q + 4 q^{4} - 4 q^{5} + 4 q^{10} + 8 q^{11} - 40 q^{13} - 12 q^{14} - 4 q^{16} + 4 q^{18} - 8 q^{20} - 4 q^{21} - 16 q^{22} + 8 q^{23} - 12 q^{28} - 8 q^{29} + 4 q^{30} + 20 q^{31} - 8 q^{33} - 28 q^{35} - 4 q^{37} + 4 q^{39} - 4 q^{40} - 32 q^{41} - 8 q^{44} + 4 q^{45} + 8 q^{46} - 20 q^{47} + 16 q^{50} - 16 q^{51} - 20 q^{52} - 16 q^{55} + 16 q^{57} - 4 q^{58} - 16 q^{61} + 40 q^{62} - 12 q^{63} - 8 q^{64} + 24 q^{65} + 24 q^{67} + 48 q^{71} - 4 q^{72} + 4 q^{74} + 8 q^{75} + 8 q^{78} + 8 q^{79} - 4 q^{80} + 4 q^{81} + 16 q^{82} + 4 q^{84} + 32 q^{85} - 24 q^{86} - 8 q^{88} - 8 q^{90} - 8 q^{91} + 16 q^{92} - 8 q^{95} - 16 q^{97} + 20 q^{98} - 16 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

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

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

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 0.624844 2.33195i −0.707107 + 0.707107i −1.02494 2.43916i 1.00000i 0.866025 0.500000i −0.624844 2.33195i
319.2 0.866025 0.500000i 0.965926 0.258819i 0.500000 0.866025i 0.107206 0.400100i 0.707107 0.707107i −2.43916 1.02494i 1.00000i 0.866025 0.500000i −0.107206 0.400100i
361.1 −0.866025 + 0.500000i −0.258819 0.965926i 0.500000 0.866025i −0.400100 0.107206i 0.707107 + 0.707107i 1.02494 2.43916i 1.00000i −0.866025 + 0.500000i 0.400100 0.107206i
361.2 −0.866025 + 0.500000i 0.258819 + 0.965926i 0.500000 0.866025i −2.33195 0.624844i −0.707107 0.707107i 2.43916 1.02494i 1.00000i −0.866025 + 0.500000i 2.33195 0.624844i
625.1 −0.866025 0.500000i −0.258819 + 0.965926i 0.500000 + 0.866025i −0.400100 + 0.107206i 0.707107 0.707107i 1.02494 + 2.43916i 1.00000i −0.866025 0.500000i 0.400100 + 0.107206i
625.2 −0.866025 0.500000i 0.258819 0.965926i 0.500000 + 0.866025i −2.33195 + 0.624844i −0.707107 + 0.707107i 2.43916 + 1.02494i 1.00000i −0.866025 0.500000i 2.33195 + 0.624844i
667.1 0.866025 + 0.500000i −0.965926 0.258819i 0.500000 + 0.866025i 0.624844 + 2.33195i −0.707107 0.707107i −1.02494 + 2.43916i 1.00000i 0.866025 + 0.500000i −0.624844 + 2.33195i
667.2 0.866025 + 0.500000i 0.965926 + 0.258819i 0.500000 + 0.866025i 0.107206 + 0.400100i 0.707107 + 0.707107i −2.43916 + 1.02494i 1.00000i 0.866025 + 0.500000i −0.107206 + 0.400100i
\(n\): 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.b 8
7.c even 3 1 inner 714.2.ba.b 8
17.c even 4 1 inner 714.2.ba.b 8
119.n even 12 1 inner 714.2.ba.b 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
714.2.ba.b 8 1.a even 1 1 trivial
714.2.ba.b 8 7.c even 3 1 inner
714.2.ba.b 8 17.c even 4 1 inner
714.2.ba.b 8 119.n even 12 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{8} + 4T_{5}^{7} + 8T_{5}^{6} + 24T_{5}^{5} + 47T_{5}^{4} + 24T_{5}^{3} + 8T_{5}^{2} + 4T_{5} + 1 \) 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
$5$ \( T^{8} + 4 T^{7} + \cdots + 1 \) Copy content Toggle raw display
$7$ \( T^{8} + 2T^{4} + 2401 \) Copy content Toggle raw display
$11$ \( T^{8} - 8 T^{7} + \cdots + 256 \) Copy content Toggle raw display
$13$ \( (T^{2} + 10 T + 23)^{4} \) Copy content Toggle raw display
$17$ \( T^{8} + 16 T^{6} + \cdots + 83521 \) Copy content Toggle raw display
$19$ \( (T^{4} - 8 T^{2} + 64)^{2} \) Copy content Toggle raw display
$23$ \( (T^{4} - 4 T^{3} + 8 T^{2} + \cdots + 64)^{2} \) Copy content Toggle raw display
$29$ \( (T^{4} + 4 T^{3} + \cdots + 6241)^{2} \) Copy content Toggle raw display
$31$ \( T^{8} - 20 T^{7} + \cdots + 2825761 \) Copy content Toggle raw display
$37$ \( (T^{4} + 2 T^{3} + 2 T^{2} + \cdots + 4)^{2} \) Copy content Toggle raw display
$41$ \( (T^{4} + 16 T^{3} + \cdots + 961)^{2} \) Copy content Toggle raw display
$43$ \( (T^{4} + 108 T^{2} + 324)^{2} \) Copy content Toggle raw display
$47$ \( (T^{4} + 10 T^{3} + \cdots + 625)^{2} \) Copy content Toggle raw display
$53$ \( T^{8} - 68 T^{6} + \cdots + 16 \) Copy content Toggle raw display
$59$ \( T^{8} - 194 T^{6} + \cdots + 4879681 \) Copy content Toggle raw display
$61$ \( T^{8} + 16 T^{7} + \cdots + 1048576 \) Copy content Toggle raw display
$67$ \( (T^{4} - 12 T^{3} + \cdots + 324)^{2} \) Copy content Toggle raw display
$71$ \( (T^{2} - 12 T + 72)^{4} \) Copy content Toggle raw display
$73$ \( T^{8} - 1296 T^{4} + 1679616 \) Copy content Toggle raw display
$79$ \( T^{8} - 8 T^{7} + \cdots + 342102016 \) Copy content Toggle raw display
$83$ \( (T^{2} + 25)^{4} \) Copy content Toggle raw display
$89$ \( (T^{4} + 50 T^{2} + 2500)^{2} \) Copy content Toggle raw display
$97$ \( (T^{4} + 8 T^{3} + 32 T^{2} + \cdots + 64)^{2} \) Copy content Toggle raw display
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