Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [869,2,Mod(23,869)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(869, base_ring=CyclotomicField(6))
chi = DirichletCharacter(H, H._module([0, 2]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("869.23");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 869 = 11 \cdot 79 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 869.e (of order \(3\), degree \(2\), 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: | \(6.93899993565\) |
Analytic rank: | \(0\) |
Dimension: | \(66\) |
Relative dimension: | \(33\) over \(\Q(\zeta_{3})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{3}]$ |
$q$-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 | −1.36330 | − | 2.36130i | −1.27687 | − | 2.21160i | −2.71716 | + | 4.70626i | −1.34179 | + | 2.32405i | −3.48150 | + | 6.03013i | 0.936173 | − | 1.62150i | 9.36398 | −1.76078 | + | 3.04976i | 7.31703 | ||||
23.2 | −1.30604 | − | 2.26213i | −1.52976 | − | 2.64962i | −2.41149 | + | 4.17682i | 1.91283 | − | 3.31312i | −3.99585 | + | 6.92102i | −2.36024 | + | 4.08806i | 7.37385 | −3.18031 | + | 5.50847i | −9.99294 | ||||
23.3 | −1.26559 | − | 2.19207i | 0.828059 | + | 1.43424i | −2.20343 | + | 3.81646i | −0.234964 | + | 0.406970i | 2.09597 | − | 3.63032i | −0.417774 | + | 0.723606i | 6.09222 | 0.128636 | − | 0.222805i | 1.18947 | ||||
23.4 | −1.22662 | − | 2.12457i | −0.187262 | − | 0.324347i | −2.00919 | + | 3.48002i | 1.26046 | − | 2.18319i | −0.459398 | + | 0.795700i | 1.14742 | − | 1.98739i | 4.95156 | 1.42987 | − | 2.47660i | −6.18444 | ||||
23.5 | −1.11805 | − | 1.93653i | −0.637946 | − | 1.10495i | −1.50009 | + | 2.59824i | −0.426999 | + | 0.739584i | −1.42652 | + | 2.47080i | 1.40772 | − | 2.43823i | 2.23653 | 0.686050 | − | 1.18827i | 1.90963 | ||||
23.6 | −1.06830 | − | 1.85034i | −0.707651 | − | 1.22569i | −1.28251 | + | 2.22137i | −1.64066 | + | 2.84170i | −1.51196 | + | 2.61879i | −2.34741 | + | 4.06584i | 1.20721 | 0.498459 | − | 0.863356i | 7.01083 | ||||
23.7 | −0.874088 | − | 1.51396i | 1.58568 | + | 2.74647i | −0.528060 | + | 0.914626i | 0.119778 | − | 0.207461i | 2.77204 | − | 4.80132i | 1.79863 | − | 3.11532i | −1.65007 | −3.52875 | + | 6.11197i | −0.418785 | ||||
23.8 | −0.855240 | − | 1.48132i | 0.693703 | + | 1.20153i | −0.462870 | + | 0.801714i | −0.984601 | + | 1.70538i | 1.18657 | − | 2.05519i | 0.608438 | − | 1.05385i | −1.83750 | 0.537551 | − | 0.931066i | 3.36828 | ||||
23.9 | −0.781473 | − | 1.35355i | 0.683968 | + | 1.18467i | −0.221401 | + | 0.383478i | 0.583426 | − | 1.01052i | 1.06901 | − | 1.85157i | −2.25054 | + | 3.89804i | −2.43382 | 0.564375 | − | 0.977526i | −1.82373 | ||||
23.10 | −0.749825 | − | 1.29874i | 0.294930 | + | 0.510834i | −0.124476 | + | 0.215599i | 1.20283 | − | 2.08337i | 0.442292 | − | 0.766073i | 1.72405 | − | 2.98614i | −2.62596 | 1.32603 | − | 2.29676i | −3.60765 | ||||
23.11 | −0.704541 | − | 1.22030i | −1.51428 | − | 2.62280i | 0.00724389 | − | 0.0125468i | 0.00233661 | − | 0.00404713i | −2.13374 | + | 3.69575i | −0.395989 | + | 0.685874i | −2.83858 | −3.08607 | + | 5.34523i | −0.00658496 | ||||
23.12 | −0.478763 | − | 0.829242i | 0.0109441 | + | 0.0189558i | 0.541572 | − | 0.938030i | −1.07644 | + | 1.86444i | 0.0104793 | − | 0.0181506i | −0.530055 | + | 0.918082i | −2.95219 | 1.49976 | − | 2.59766i | 2.06143 | ||||
23.13 | −0.323118 | − | 0.559657i | −1.06585 | − | 1.84611i | 0.791189 | − | 1.37038i | 0.345089 | − | 0.597712i | −0.688791 | + | 1.19302i | 1.74486 | − | 3.02219i | −2.31506 | −0.772071 | + | 1.33727i | −0.446019 | ||||
23.14 | −0.293106 | − | 0.507674i | 1.32336 | + | 2.29213i | 0.828178 | − | 1.43445i | −0.404872 | + | 0.701258i | 0.775770 | − | 1.34367i | −1.42402 | + | 2.46647i | −2.14340 | −2.00258 | + | 3.46857i | 0.474681 | ||||
23.15 | −0.256851 | − | 0.444879i | 0.207046 | + | 0.358615i | 0.868055 | − | 1.50352i | 1.82127 | − | 3.15453i | 0.106360 | − | 0.184221i | −0.132236 | + | 0.229039i | −1.91925 | 1.41426 | − | 2.44958i | −1.87118 | ||||
23.16 | −0.189056 | − | 0.327455i | −0.525550 | − | 0.910280i | 0.928516 | − | 1.60824i | −1.86353 | + | 3.22773i | −0.198717 | + | 0.344188i | −0.314928 | + | 0.545471i | −1.45839 | 0.947594 | − | 1.64128i | 1.40925 | ||||
23.17 | 0.0357824 | + | 0.0619769i | −0.885799 | − | 1.53425i | 0.997439 | − | 1.72762i | 1.70343 | − | 2.95042i | 0.0633920 | − | 0.109798i | −1.99459 | + | 3.45473i | 0.285893 | −0.0692790 | + | 0.119995i | 0.243811 | ||||
23.18 | 0.101838 | + | 0.176389i | 1.11836 | + | 1.93706i | 0.979258 | − | 1.69612i | 1.44180 | − | 2.49728i | −0.227784 | + | 0.394533i | 0.912690 | − | 1.58083i | 0.806257 | −1.00146 | + | 1.73458i | 0.587323 | ||||
23.19 | 0.219951 | + | 0.380966i | 1.50443 | + | 2.60574i | 0.903243 | − | 1.56446i | −1.53433 | + | 2.65754i | −0.661800 | + | 1.14627i | −1.11776 | + | 1.93602i | 1.67448 | −3.02660 | + | 5.24223i | −1.34991 | ||||
23.20 | 0.348422 | + | 0.603484i | 0.329418 | + | 0.570568i | 0.757204 | − | 1.31152i | −1.73142 | + | 2.99891i | −0.229553 | + | 0.397597i | 1.80360 | − | 3.12392i | 2.44899 | 1.28297 | − | 2.22217i | −2.41306 | ||||
See all 66 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
79.c | even | 3 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 869.2.e.a | ✓ | 66 |
79.c | even | 3 | 1 | inner | 869.2.e.a | ✓ | 66 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
869.2.e.a | ✓ | 66 | 1.a | even | 1 | 1 | trivial |
869.2.e.a | ✓ | 66 | 79.c | even | 3 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{66} + 51 T_{2}^{64} + 1430 T_{2}^{62} + 27701 T_{2}^{60} + 409450 T_{2}^{58} - 2 T_{2}^{57} + \cdots + 912025 \) acting on \(S_{2}^{\mathrm{new}}(869, [\chi])\).