Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [561,2,Mod(23,561)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(561, base_ring=CyclotomicField(16))
chi = DirichletCharacter(H, H._module([8, 0, 15]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("561.23");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 561 = 3 \cdot 11 \cdot 17 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 561.z (of order \(16\), degree \(8\), 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: | \(4.47960755339\) |
Analytic rank: | \(0\) |
Dimension: | \(480\) |
Relative dimension: | \(60\) over \(\Q(\zeta_{16})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{16}]$ |
$q$-expansion
The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.
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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
23.1 | −1.05612 | + | 2.54971i | −1.59799 | − | 0.668157i | −3.97139 | − | 3.97139i | −1.83853 | − | 1.22847i | 3.39128 | − | 3.36874i | 2.61220 | + | 3.90943i | 9.22074 | − | 3.81935i | 2.10713 | + | 2.13541i | 5.07395 | − | 3.39031i |
23.2 | −1.03899 | + | 2.50834i | −0.105610 | − | 1.72883i | −3.79804 | − | 3.79804i | 1.70884 | + | 1.14181i | 4.44621 | + | 1.53132i | −1.16702 | − | 1.74658i | 8.45622 | − | 3.50268i | −2.97769 | + | 0.365165i | −4.63951 | + | 3.10002i |
23.3 | −1.01582 | + | 2.45241i | 1.27318 | + | 1.17432i | −3.56822 | − | 3.56822i | −2.50981 | − | 1.67700i | −4.17323 | + | 1.92946i | −0.769883 | − | 1.15221i | 7.47059 | − | 3.09442i | 0.241959 | + | 2.99023i | 6.66222 | − | 4.45155i |
23.4 | −1.00655 | + | 2.43003i | 1.72728 | − | 0.128432i | −3.47769 | − | 3.47769i | 1.21924 | + | 0.814671i | −1.42651 | + | 4.32662i | −0.454154 | − | 0.679689i | 7.09129 | − | 2.93731i | 2.96701 | − | 0.443677i | −3.20690 | + | 2.14278i |
23.5 | −0.979830 | + | 2.36552i | 0.0539671 | + | 1.73121i | −3.22140 | − | 3.22140i | 1.92270 | + | 1.28471i | −4.14809 | − | 1.56863i | 2.11493 | + | 3.16521i | 6.04566 | − | 2.50419i | −2.99418 | + | 0.186857i | −4.92291 | + | 3.28938i |
23.6 | −0.974477 | + | 2.35259i | −1.57334 | + | 0.724299i | −3.17088 | − | 3.17088i | 2.86037 | + | 1.91124i | −0.170802 | − | 4.40724i | −1.46637 | − | 2.19458i | 5.84456 | − | 2.42090i | 1.95078 | − | 2.27913i | −7.28373 | + | 4.86683i |
23.7 | −0.907823 | + | 2.19168i | −1.73168 | + | 0.0357757i | −2.56510 | − | 2.56510i | −1.88639 | − | 1.26044i | 1.49365 | − | 3.82777i | −2.42276 | − | 3.62592i | 3.56718 | − | 1.47757i | 2.99744 | − | 0.123904i | 4.47499 | − | 2.99009i |
23.8 | −0.891396 | + | 2.15202i | 1.18256 | − | 1.26553i | −2.42239 | − | 2.42239i | −0.847631 | − | 0.566369i | 1.66931 | + | 3.67297i | 0.416056 | + | 0.622671i | 3.06829 | − | 1.27093i | −0.203114 | − | 2.99312i | 1.97441 | − | 1.31926i |
23.9 | −0.841186 | + | 2.03080i | 0.00163296 | − | 1.73205i | −2.00235 | − | 2.00235i | −2.88189 | − | 1.92562i | 3.51608 | + | 1.46029i | 0.541085 | + | 0.809791i | 1.68912 | − | 0.699655i | −2.99999 | − | 0.00565673i | 6.33475 | − | 4.23274i |
23.10 | −0.828119 | + | 1.99926i | 0.283448 | + | 1.70870i | −1.89703 | − | 1.89703i | 0.588202 | + | 0.393024i | −3.65086 | − | 0.848323i | −1.52907 | − | 2.28842i | 1.36511 | − | 0.565446i | −2.83931 | + | 0.968654i | −1.27286 | + | 0.850497i |
23.11 | −0.759895 | + | 1.83455i | −0.503075 | + | 1.65738i | −1.37391 | − | 1.37391i | −3.49931 | − | 2.33816i | −2.65826 | − | 2.18235i | 0.428628 | + | 0.641488i | −0.104555 | + | 0.0433080i | −2.49383 | − | 1.66757i | 6.94857 | − | 4.64289i |
23.12 | −0.710800 | + | 1.71602i | −1.24310 | − | 1.20611i | −1.02529 | − | 1.02529i | 2.17975 | + | 1.45646i | 2.95331 | − | 1.27589i | 0.757363 | + | 1.13347i | −0.943856 | + | 0.390958i | 0.0906017 | + | 2.99863i | −4.04869 | + | 2.70525i |
23.13 | −0.697106 | + | 1.68296i | 1.68258 | + | 0.410997i | −0.932196 | − | 0.932196i | 2.87762 | + | 1.92276i | −1.86463 | + | 2.54522i | −0.0162799 | − | 0.0243646i | −1.14724 | + | 0.475201i | 2.66216 | + | 1.38307i | −5.24195 | + | 3.50256i |
23.14 | −0.676535 | + | 1.63330i | 0.322378 | − | 1.70179i | −0.795758 | − | 0.795758i | 2.39246 | + | 1.59859i | 2.56143 | + | 1.67786i | 2.75394 | + | 4.12156i | −1.42853 | + | 0.591717i | −2.79214 | − | 1.09724i | −4.22957 | + | 2.82611i |
23.15 | −0.674599 | + | 1.62863i | 1.06786 | − | 1.36370i | −0.783126 | − | 0.783126i | 0.442604 | + | 0.295739i | 1.50058 | + | 2.65909i | −1.99834 | − | 2.99072i | −1.45354 | + | 0.602075i | −0.719355 | − | 2.91248i | −0.780228 | + | 0.521332i |
23.16 | −0.635722 | + | 1.53477i | 1.39652 | + | 1.02457i | −0.537157 | − | 0.537157i | −0.216567 | − | 0.144705i | −2.46027 | + | 1.49199i | 2.35280 | + | 3.52121i | −1.90364 | + | 0.788514i | 0.900532 | + | 2.86165i | 0.359766 | − | 0.240388i |
23.17 | −0.548937 | + | 1.32525i | −1.70618 | − | 0.298223i | −0.0407443 | − | 0.0407443i | 0.940391 | + | 0.628349i | 1.33181 | − | 2.09742i | −0.657182 | − | 0.983542i | −2.57414 | + | 1.06624i | 2.82213 | + | 1.01765i | −1.34894 | + | 0.901330i |
23.18 | −0.530222 | + | 1.28007i | 1.72519 | − | 0.153984i | 0.0567722 | + | 0.0567722i | −2.51508 | − | 1.68052i | −0.717625 | + | 2.29001i | −2.78305 | − | 4.16512i | −2.66291 | + | 1.10301i | 2.95258 | − | 0.531304i | 3.48474 | − | 2.32843i |
23.19 | −0.446393 | + | 1.07769i | −1.42324 | − | 0.987112i | 0.452067 | + | 0.452067i | −2.04606 | − | 1.36713i | 1.69912 | − | 1.09317i | 0.513563 | + | 0.768601i | −2.84437 | + | 1.17817i | 1.05122 | + | 2.80979i | 2.38669 | − | 1.59474i |
23.20 | −0.423290 | + | 1.02191i | 1.19639 | + | 1.25246i | 0.549085 | + | 0.549085i | −1.86139 | − | 1.24374i | −1.78632 | + | 0.692451i | 0.220877 | + | 0.330566i | −2.83736 | + | 1.17527i | −0.137308 | + | 2.99686i | 2.05890 | − | 1.37571i |
See next 80 embeddings (of 480 total) |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
3.b | odd | 2 | 1 | inner |
17.e | odd | 16 | 1 | inner |
51.i | even | 16 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 561.2.z.a | ✓ | 480 |
3.b | odd | 2 | 1 | inner | 561.2.z.a | ✓ | 480 |
17.e | odd | 16 | 1 | inner | 561.2.z.a | ✓ | 480 |
51.i | even | 16 | 1 | inner | 561.2.z.a | ✓ | 480 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
561.2.z.a | ✓ | 480 | 1.a | even | 1 | 1 | trivial |
561.2.z.a | ✓ | 480 | 3.b | odd | 2 | 1 | inner |
561.2.z.a | ✓ | 480 | 17.e | odd | 16 | 1 | inner |
561.2.z.a | ✓ | 480 | 51.i | even | 16 | 1 | inner |
Hecke kernels
This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(561, [\chi])\).