Properties

Label 672.2.bq.a
Level $672$
Weight $2$
Character orbit 672.bq
Analytic conductor $5.366$
Analytic rank $0$
Dimension $88$
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] = [672,2,Mod(85,672)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(672, base_ring=CyclotomicField(8))
 
chi = DirichletCharacter(H, H._module([0, 5, 0, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("672.85");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 672 = 2^{5} \cdot 3 \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 672.bq (of order \(8\), 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: \(5.36594701583\)
Analytic rank: \(0\)
Dimension: \(88\)
Relative dimension: \(22\) over \(\Q(\zeta_{8})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{8}]$

$q$-expansion

The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.

\(\operatorname{Tr}(f)(q) = \) \( 88 q+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 88 q + 8 q^{10} + 16 q^{12} + 8 q^{16} + 8 q^{18} + 8 q^{22} + 40 q^{23} + 8 q^{24} - 40 q^{26} + 8 q^{28} - 40 q^{32} + 48 q^{33} - 96 q^{34} + 64 q^{38} - 40 q^{40} + 24 q^{43} - 64 q^{44} + 32 q^{46} + 32 q^{48} - 16 q^{51} + 32 q^{52} + 72 q^{53} - 8 q^{54} - 32 q^{55} - 32 q^{56} + 32 q^{58} - 24 q^{60} + 32 q^{61} - 48 q^{62} + 88 q^{63} - 96 q^{64} - 48 q^{66} - 24 q^{67} + 8 q^{68} + 32 q^{69} - 8 q^{70} - 72 q^{74} - 32 q^{75} + 32 q^{76} + 24 q^{77} + 80 q^{80} + 192 q^{82} - 64 q^{85} - 48 q^{86} - 104 q^{88} + 88 q^{92} + 32 q^{94} - 40 q^{96} + 144 q^{97}+O(q^{100}) \) Copy content Toggle raw display

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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
85.1 −1.40986 0.110884i 0.923880 0.382683i 1.97541 + 0.312662i 1.27699 3.08292i −1.34497 + 0.437086i 0.707107 + 0.707107i −2.75038 0.659851i 0.707107 0.707107i −2.14222 + 4.20489i
85.2 −1.34974 0.422149i 0.923880 0.382683i 1.64358 + 1.13958i −0.114905 + 0.277405i −1.40854 + 0.126507i 0.707107 + 0.707107i −1.73733 2.23197i 0.707107 0.707107i 0.272198 0.325917i
85.3 −1.34748 0.429300i −0.923880 + 0.382683i 1.63140 + 1.15695i −0.539762 + 1.30310i 1.40919 0.119037i 0.707107 + 0.707107i −1.70161 2.25932i 0.707107 0.707107i 1.28674 1.52418i
85.4 −1.29697 + 0.563801i 0.923880 0.382683i 1.36426 1.46247i −0.926545 + 2.23688i −0.982485 + 1.01721i 0.707107 + 0.707107i −0.944857 + 2.66594i 0.707107 0.707107i −0.0594548 3.42355i
85.5 −1.29196 + 0.575184i −0.923880 + 0.382683i 1.33833 1.48623i −1.23125 + 2.97249i 0.973503 1.02581i 0.707107 + 0.707107i −0.874208 + 2.68994i 0.707107 0.707107i −0.119009 4.54854i
85.6 −1.03192 + 0.967030i −0.923880 + 0.382683i 0.129704 1.99579i 0.416627 1.00583i 0.583300 1.28832i 0.707107 + 0.707107i 1.79615 + 2.18492i 0.707107 0.707107i 0.542741 + 1.44082i
85.7 −0.555555 + 1.30052i 0.923880 0.382683i −1.38272 1.44502i 1.20358 2.90570i −0.0155775 + 1.41413i 0.707107 + 0.707107i 2.64746 0.995465i 0.707107 0.707107i 3.11028 + 3.17956i
85.8 −0.546523 + 1.30434i −0.923880 + 0.382683i −1.40262 1.42571i −0.297269 + 0.717672i 0.00577093 1.41420i 0.707107 + 0.707107i 2.62618 1.05032i 0.707107 0.707107i −0.773626 0.779966i
85.9 −0.362626 1.36693i 0.923880 0.382683i −1.73700 + 0.991370i −0.365809 + 0.883142i −0.858125 1.12411i 0.707107 + 0.707107i 1.98502 + 2.01487i 0.707107 0.707107i 1.33985 + 0.179786i
85.10 −0.0821252 1.41183i −0.923880 + 0.382683i −1.98651 + 0.231893i 0.384692 0.928730i 0.616157 + 1.27293i 0.707107 + 0.707107i 0.490536 + 2.78557i 0.707107 0.707107i −1.34280 0.466847i
85.11 0.121825 + 1.40896i 0.923880 0.382683i −1.97032 + 0.343294i −0.154083 + 0.371989i 0.651736 + 1.25509i 0.707107 + 0.707107i −0.723721 2.73427i 0.707107 0.707107i −0.542887 0.171778i
85.12 0.164290 1.40464i 0.923880 0.382683i −1.94602 0.461537i 0.779541 1.88198i −0.385747 1.36059i 0.707107 + 0.707107i −0.968004 + 2.65762i 0.707107 0.707107i −2.51543 1.40416i
85.13 0.407220 + 1.35432i −0.923880 + 0.382683i −1.66834 + 1.10301i 0.905119 2.18515i −0.894497 1.09539i 0.707107 + 0.707107i −2.17321 1.81030i 0.707107 0.707107i 3.32797 + 0.335980i
85.14 0.486478 1.32791i −0.923880 + 0.382683i −1.52668 1.29200i −0.326981 + 0.789403i 0.0587215 + 1.41299i 0.707107 + 0.707107i −2.45835 + 1.39876i 0.707107 0.707107i 0.889185 + 0.818228i
85.15 0.969047 + 1.03002i −0.923880 + 0.382683i −0.121894 + 1.99628i 0.745636 1.80013i −1.28946 0.580779i 0.707107 + 0.707107i −2.17434 + 1.80894i 0.707107 0.707107i 2.57673 0.976384i
85.16 0.981441 1.01822i −0.923880 + 0.382683i −0.0735455 1.99865i 1.24338 3.00179i −0.517078 + 1.31629i 0.707107 + 0.707107i −2.10724 1.88667i 0.707107 0.707107i −1.83618 4.21212i
85.17 1.15096 + 0.821762i −0.923880 + 0.382683i 0.649415 + 1.89163i −1.43636 + 3.46767i −1.37782 0.318756i 0.707107 + 0.707107i −0.807018 + 2.71085i 0.707107 0.707107i −4.50278 + 2.81080i
85.18 1.16190 0.806219i 0.923880 0.382683i 0.700021 1.87349i −1.40234 + 3.38554i 0.764929 1.18949i 0.707107 + 0.707107i −0.697090 2.74118i 0.707107 0.707107i 1.10011 + 5.06425i
85.19 1.20604 + 0.738558i 0.923880 0.382683i 0.909063 + 1.78146i 1.16799 2.81978i 1.39687 + 0.220808i 0.707107 + 0.707107i −0.219348 + 2.81991i 0.707107 0.707107i 3.49121 2.53813i
85.20 1.30043 0.555768i 0.923880 0.382683i 1.38224 1.44548i 0.538691 1.30051i 0.988759 1.01112i 0.707107 + 0.707107i 0.994163 2.64795i 0.707107 0.707107i −0.0222541 1.99062i
See all 88 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 85.22
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
32.g even 8 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 672.2.bq.a 88
32.g even 8 1 inner 672.2.bq.a 88
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
672.2.bq.a 88 1.a even 1 1 trivial
672.2.bq.a 88 32.g even 8 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{88} - 16 T_{5}^{83} + 832 T_{5}^{82} - 10800 T_{5}^{81} + 90560 T_{5}^{80} - 145696 T_{5}^{79} + \cdots + 1638400000000 \) acting on \(S_{2}^{\mathrm{new}}(672, [\chi])\). Copy content Toggle raw display