Properties

Label 810.2.q.b
Level $810$
Weight $2$
Character orbit 810.q
Analytic conductor $6.468$
Analytic rank $0$
Dimension $162$
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] = [810,2,Mod(31,810)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(810, base_ring=CyclotomicField(54))
 
chi = DirichletCharacter(H, H._module([20, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("810.31");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 810 = 2 \cdot 3^{4} \cdot 5 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 810.q (of order \(27\), degree \(18\), 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: \(6.46788256372\)
Analytic rank: \(0\)
Dimension: \(162\)
Relative dimension: \(9\) over \(\Q(\zeta_{27})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{27}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 162 q+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 162 q - 18 q^{13} - 18 q^{18} - 72 q^{21} + 63 q^{23} - 18 q^{26} + 36 q^{27} + 9 q^{28} + 9 q^{29} + 18 q^{30} + 9 q^{33} + 54 q^{34} - 9 q^{38} + 18 q^{41} - 81 q^{42} - 36 q^{43} + 36 q^{45} + 27 q^{47} - 9 q^{48} + 54 q^{49} + 36 q^{52} - 36 q^{53} + 27 q^{54} - 27 q^{55} + 27 q^{57} - 18 q^{58} - 9 q^{59} - 72 q^{61} - 99 q^{63} - 18 q^{65} - 45 q^{66} + 63 q^{67} + 18 q^{68} + 63 q^{69} + 18 q^{70} - 72 q^{71} - 9 q^{72} - 18 q^{73} - 36 q^{74} + 9 q^{76} - 72 q^{77} - 72 q^{78} - 18 q^{79} + 162 q^{80} - 144 q^{81} - 72 q^{82} - 198 q^{83} - 18 q^{84} + 27 q^{85} - 72 q^{86} - 36 q^{87} + 9 q^{88} - 36 q^{89} - 36 q^{90} - 18 q^{93} + 45 q^{94} - 36 q^{95} + 90 q^{97} - 36 q^{98} - 90 q^{99}+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
31.1 −0.396080 0.918216i −1.67127 0.454831i −0.686242 + 0.727374i −0.0581448 + 0.998308i 0.244321 + 1.71473i 1.90982 0.452636i 0.939693 + 0.342020i 2.58626 + 1.52029i 0.939693 0.342020i
31.2 −0.396080 0.918216i −1.53152 + 0.808981i −0.686242 + 0.727374i −0.0581448 + 0.998308i 1.34942 + 1.08584i −4.46797 + 1.05893i 0.939693 + 0.342020i 1.69110 2.47794i 0.939693 0.342020i
31.3 −0.396080 0.918216i −0.812412 1.52970i −0.686242 + 0.727374i −0.0581448 + 0.998308i −1.08282 + 1.35185i 3.62367 0.858826i 0.939693 + 0.342020i −1.67997 + 2.48550i 0.939693 0.342020i
31.4 −0.396080 0.918216i −0.721884 + 1.57445i −0.686242 + 0.727374i −0.0581448 + 0.998308i 1.73161 + 0.0392394i −0.596907 + 0.141470i 0.939693 + 0.342020i −1.95777 2.27314i 0.939693 0.342020i
31.5 −0.396080 0.918216i 0.0129628 + 1.73200i −0.686242 + 0.727374i −0.0581448 + 0.998308i 1.58522 0.697914i 1.23412 0.292491i 0.939693 + 0.342020i −2.99966 + 0.0449033i 0.939693 0.342020i
31.6 −0.396080 0.918216i 0.457047 1.67066i −0.686242 + 0.727374i −0.0581448 + 0.998308i −1.71505 + 0.242047i −1.11093 + 0.263296i 0.939693 + 0.342020i −2.58222 1.52714i 0.939693 0.342020i
31.7 −0.396080 0.918216i 1.37358 + 1.05513i −0.686242 + 0.727374i −0.0581448 + 0.998308i 0.424789 1.67915i 2.01281 0.477046i 0.939693 + 0.342020i 0.773417 + 2.89859i 0.939693 0.342020i
31.8 −0.396080 0.918216i 1.44566 0.953971i −0.686242 + 0.727374i −0.0581448 + 0.998308i −1.44855 0.949582i 3.83233 0.908278i 0.939693 + 0.342020i 1.17988 2.75824i 0.939693 0.342020i
31.9 −0.396080 0.918216i 1.55204 0.768881i −0.686242 + 0.727374i −0.0581448 + 0.998308i −1.32073 1.12057i −3.93181 + 0.931856i 0.939693 + 0.342020i 1.81764 2.38666i 0.939693 0.342020i
61.1 0.993238 0.116093i −1.41520 + 0.998609i 0.973045 0.230616i 0.893633 + 0.448799i −1.28970 + 1.15615i −0.536847 1.79320i 0.939693 0.342020i 1.00556 2.82645i 0.939693 + 0.342020i
61.2 0.993238 0.116093i −1.40036 1.01931i 0.973045 0.230616i 0.893633 + 0.448799i −1.50922 0.849848i 0.446772 + 1.49232i 0.939693 0.342020i 0.922008 + 2.85480i 0.939693 + 0.342020i
61.3 0.993238 0.116093i −0.906790 1.47571i 0.973045 0.230616i 0.893633 + 0.448799i −1.07198 1.36046i 0.893266 + 2.98372i 0.939693 0.342020i −1.35546 + 2.67633i 0.939693 + 0.342020i
61.4 0.993238 0.116093i −0.659316 + 1.60166i 0.973045 0.230616i 0.893633 + 0.448799i −0.468917 + 1.66737i 1.32137 + 4.41367i 0.939693 0.342020i −2.13060 2.11199i 0.939693 + 0.342020i
61.5 0.993238 0.116093i −0.269948 1.71089i 0.973045 0.230616i 0.893633 + 0.448799i −0.466745 1.66798i −1.17767 3.93368i 0.939693 0.342020i −2.85426 + 0.923701i 0.939693 + 0.342020i
61.6 0.993238 0.116093i 1.33184 + 1.10734i 0.973045 0.230616i 0.893633 + 0.448799i 1.45139 + 0.945230i 0.508204 + 1.69752i 0.939693 0.342020i 0.547617 + 2.94960i 0.939693 + 0.342020i
61.7 0.993238 0.116093i 1.34364 1.09300i 0.973045 0.230616i 0.893633 + 0.448799i 1.20766 1.24159i 1.10743 + 3.69908i 0.939693 0.342020i 0.610713 2.93718i 0.939693 + 0.342020i
61.8 0.993238 0.116093i 1.34389 + 1.09268i 0.973045 0.230616i 0.893633 + 0.448799i 1.46166 + 0.929275i −0.495456 1.65494i 0.939693 0.342020i 0.612101 + 2.93689i 0.939693 + 0.342020i
61.9 0.993238 0.116093i 1.51378 0.841700i 0.973045 0.230616i 0.893633 + 0.448799i 1.40583 1.01175i −0.821784 2.74495i 0.939693 0.342020i 1.58308 2.54830i 0.939693 + 0.342020i
121.1 0.0581448 + 0.998308i −1.72109 0.194558i −0.993238 + 0.116093i 0.973045 + 0.230616i 0.0941566 1.72949i 2.76758 3.71751i −0.173648 0.984808i 2.92429 + 0.669704i −0.173648 + 0.984808i
121.2 0.0581448 + 0.998308i −1.45014 + 0.947148i −0.993238 + 0.116093i 0.973045 + 0.230616i −1.02986 1.39262i 0.128210 0.172215i −0.173648 0.984808i 1.20582 2.74700i −0.173648 + 0.984808i
See next 80 embeddings (of 162 total)
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 31.9
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
81.g even 27 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 810.2.q.b 162
81.g even 27 1 inner 810.2.q.b 162
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
810.2.q.b 162 1.a even 1 1 trivial
810.2.q.b 162 81.g even 27 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{162} - 27 T_{7}^{160} + 150 T_{7}^{159} + 756 T_{7}^{158} - 3852 T_{7}^{157} + \cdots + 15\!\cdots\!96 \) acting on \(S_{2}^{\mathrm{new}}(810, [\chi])\). Copy content Toggle raw display