Newspace parameters
| Level: | \( N \) | \(=\) | \( 855 = 3^{2} \cdot 5 \cdot 19 \) |
| Weight: | \( k \) | \(=\) | \( 2 \) |
| Character orbit: | \([\chi]\) | \(=\) | 855.c (of order \(2\), degree \(1\), minimal) |
Newform invariants
| Self dual: | no |
| Analytic conductor: | \(6.82720937282\) |
| Analytic rank: | \(0\) |
| Dimension: | \(2\) |
| Coefficient field: | \(\Q(i)\) |
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| Defining polynomial: |
\( x^{2} + 1 \)
|
| Coefficient ring: | \(\Z[a_1, a_2]\) |
| Coefficient ring index: | \( 1 \) |
| Twist minimal: | yes |
| Sato-Tate group: | $\mathrm{SU}(2)[C_{2}]$ |
Embedding invariants
| Embedding label | 514.1 | ||
| Root | \(-1.00000i\) of defining polynomial | ||
| Character | \(\chi\) | \(=\) | 855.514 |
| Dual form | 855.2.c.a.514.2 |
$q$-expansion
Character values
We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/855\mathbb{Z}\right)^\times\).
| \(n\) | \(172\) | \(191\) | \(496\) |
| \(\chi(n)\) | \(-1\) | \(1\) | \(1\) |
Coefficient data
For each \(n\) we display the coefficients of the \(q\)-expansion \(a_n\), the Satake parameters \(\alpha_p\), and the Satake angles \(\theta_p = \textrm{Arg}(\alpha_p)\). You can download additional coefficients here.
Currently showing only \(a_p\); display all \(a_n\)
Currently showing all \(a_n\); display only \(a_p\)
| \(n\) | \(a_n\) | \(a_n / n^{(k-1)/2}\) | \( \alpha_n \) | \( \theta_n \) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| \(p\) | \(a_p\) | \(a_p / p^{(k-1)/2}\) | \( \alpha_p\) | \( \theta_p \) | ||||||
| \(2\) | − | 1.00000i | − | 0.707107i | −0.935414 | − | 0.353553i | \(-0.884973\pi\) | ||
| 0.935414 | − | 0.353553i | \(-0.115027\pi\) | |||||||
| \(3\) | 0 | 0 | ||||||||
| \(4\) | 1.00000 | 0.500000 | ||||||||
| \(5\) | −2.00000 | + | 1.00000i | −0.894427 | + | 0.447214i | ||||
| \(6\) | 0 | 0 | ||||||||
| \(7\) | − | 2.00000i | − | 0.755929i | −0.925820 | − | 0.377964i | \(-0.876624\pi\) | ||
| 0.925820 | − | 0.377964i | \(-0.123376\pi\) | |||||||
| \(8\) | − | 3.00000i | − | 1.06066i | ||||||
| \(9\) | 0 | 0 | ||||||||
| \(10\) | 1.00000 | + | 2.00000i | 0.316228 | + | 0.632456i | ||||
| \(11\) | −2.00000 | −0.603023 | −0.301511 | − | 0.953463i | \(-0.597491\pi\) | ||||
| −0.301511 | + | 0.953463i | \(0.597491\pi\) | |||||||
| \(12\) | 0 | 0 | ||||||||
| \(13\) | − | 2.00000i | − | 0.554700i | −0.960769 | − | 0.277350i | \(-0.910544\pi\) | ||
| 0.960769 | − | 0.277350i | \(-0.0894562\pi\) | |||||||
| \(14\) | −2.00000 | −0.534522 | ||||||||
| \(15\) | 0 | 0 | ||||||||
| \(16\) | −1.00000 | −0.250000 | ||||||||
| \(17\) | − | 2.00000i | − | 0.485071i | −0.970143 | − | 0.242536i | \(-0.922021\pi\) | ||
| 0.970143 | − | 0.242536i | \(-0.0779791\pi\) | |||||||
| \(18\) | 0 | 0 | ||||||||
| \(19\) | −1.00000 | −0.229416 | ||||||||
| \(20\) | −2.00000 | + | 1.00000i | −0.447214 | + | 0.223607i | ||||
| \(21\) | 0 | 0 | ||||||||
| \(22\) | 2.00000i | 0.426401i | ||||||||
| \(23\) | 0 | 0 | 1.00000 | \(0\) | ||||||
| −1.00000 | \(\pi\) | |||||||||
| \(24\) | 0 | 0 | ||||||||
| \(25\) | 3.00000 | − | 4.00000i | 0.600000 | − | 0.800000i | ||||
| \(26\) | −2.00000 | −0.392232 | ||||||||
| \(27\) | 0 | 0 | ||||||||
| \(28\) | − | 2.00000i | − | 0.377964i | ||||||
| \(29\) | −6.00000 | −1.11417 | −0.557086 | − | 0.830455i | \(-0.688081\pi\) | ||||
| −0.557086 | + | 0.830455i | \(0.688081\pi\) | |||||||
| \(30\) | 0 | 0 | ||||||||
| \(31\) | −4.00000 | −0.718421 | −0.359211 | − | 0.933257i | \(-0.616954\pi\) | ||||
| −0.359211 | + | 0.933257i | \(0.616954\pi\) | |||||||
| \(32\) | − | 5.00000i | − | 0.883883i | ||||||
| \(33\) | 0 | 0 | ||||||||
| \(34\) | −2.00000 | −0.342997 | ||||||||
| \(35\) | 2.00000 | + | 4.00000i | 0.338062 | + | 0.676123i | ||||
| \(36\) | 0 | 0 | ||||||||
| \(37\) | − | 2.00000i | − | 0.328798i | −0.986394 | − | 0.164399i | \(-0.947432\pi\) | ||
| 0.986394 | − | 0.164399i | \(-0.0525685\pi\) | |||||||
| \(38\) | 1.00000i | 0.162221i | ||||||||
| \(39\) | 0 | 0 | ||||||||
| \(40\) | 3.00000 | + | 6.00000i | 0.474342 | + | 0.948683i | ||||
| \(41\) | −2.00000 | −0.312348 | −0.156174 | − | 0.987730i | \(-0.549916\pi\) | ||||
| −0.156174 | + | 0.987730i | \(0.549916\pi\) | |||||||
| \(42\) | 0 | 0 | ||||||||
| \(43\) | − | 10.0000i | − | 1.52499i | −0.646997 | − | 0.762493i | \(-0.723975\pi\) | ||
| 0.646997 | − | 0.762493i | \(-0.276025\pi\) | |||||||
| \(44\) | −2.00000 | −0.301511 | ||||||||
| \(45\) | 0 | 0 | ||||||||
| \(46\) | 0 | 0 | ||||||||
| \(47\) | 0 | 0 | 1.00000 | \(0\) | ||||||
| −1.00000 | \(\pi\) | |||||||||
| \(48\) | 0 | 0 | ||||||||
| \(49\) | 3.00000 | 0.428571 | ||||||||
| \(50\) | −4.00000 | − | 3.00000i | −0.565685 | − | 0.424264i | ||||
| \(51\) | 0 | 0 | ||||||||
| \(52\) | − | 2.00000i | − | 0.277350i | ||||||
| \(53\) | − | 10.0000i | − | 1.37361i | −0.726844 | − | 0.686803i | \(-0.759014\pi\) | ||
| 0.726844 | − | 0.686803i | \(-0.240986\pi\) | |||||||
| \(54\) | 0 | 0 | ||||||||
| \(55\) | 4.00000 | − | 2.00000i | 0.539360 | − | 0.269680i | ||||
| \(56\) | −6.00000 | −0.801784 | ||||||||
| \(57\) | 0 | 0 | ||||||||
| \(58\) | 6.00000i | 0.787839i | ||||||||
| \(59\) | 0 | 0 | − | 1.00000i | \(-0.5\pi\) | |||||
| 1.00000i | \(0.5\pi\) | |||||||||
| \(60\) | 0 | 0 | ||||||||
| \(61\) | −10.0000 | −1.28037 | −0.640184 | − | 0.768221i | \(-0.721142\pi\) | ||||
| −0.640184 | + | 0.768221i | \(0.721142\pi\) | |||||||
| \(62\) | 4.00000i | 0.508001i | ||||||||
| \(63\) | 0 | 0 | ||||||||
| \(64\) | −7.00000 | −0.875000 | ||||||||
| \(65\) | 2.00000 | + | 4.00000i | 0.248069 | + | 0.496139i | ||||
| \(66\) | 0 | 0 | ||||||||
| \(67\) | 4.00000i | 0.488678i | 0.969690 | + | 0.244339i | \(0.0785709\pi\) | ||||
| −0.969690 | + | 0.244339i | \(0.921429\pi\) | |||||||
| \(68\) | − | 2.00000i | − | 0.242536i | ||||||
| \(69\) | 0 | 0 | ||||||||
| \(70\) | 4.00000 | − | 2.00000i | 0.478091 | − | 0.239046i | ||||
| \(71\) | 8.00000 | 0.949425 | 0.474713 | − | 0.880141i | \(-0.342552\pi\) | ||||
| 0.474713 | + | 0.880141i | \(0.342552\pi\) | |||||||
| \(72\) | 0 | 0 | ||||||||
| \(73\) | 4.00000i | 0.468165i | 0.972217 | + | 0.234082i | \(0.0752085\pi\) | ||||
| −0.972217 | + | 0.234082i | \(0.924791\pi\) | |||||||
| \(74\) | −2.00000 | −0.232495 | ||||||||
| \(75\) | 0 | 0 | ||||||||
| \(76\) | −1.00000 | −0.114708 | ||||||||
| \(77\) | 4.00000i | 0.455842i | ||||||||
| \(78\) | 0 | 0 | ||||||||
| \(79\) | 8.00000 | 0.900070 | 0.450035 | − | 0.893011i | \(-0.351411\pi\) | ||||
| 0.450035 | + | 0.893011i | \(0.351411\pi\) | |||||||
| \(80\) | 2.00000 | − | 1.00000i | 0.223607 | − | 0.111803i | ||||
| \(81\) | 0 | 0 | ||||||||
| \(82\) | 2.00000i | 0.220863i | ||||||||
| \(83\) | − | 12.0000i | − | 1.31717i | −0.752506 | − | 0.658586i | \(-0.771155\pi\) | ||
| 0.752506 | − | 0.658586i | \(-0.228845\pi\) | |||||||
| \(84\) | 0 | 0 | ||||||||
| \(85\) | 2.00000 | + | 4.00000i | 0.216930 | + | 0.433861i | ||||
| \(86\) | −10.0000 | −1.07833 | ||||||||
| \(87\) | 0 | 0 | ||||||||
| \(88\) | 6.00000i | 0.639602i | ||||||||
| \(89\) | 10.0000 | 1.06000 | 0.529999 | − | 0.847998i | \(-0.322192\pi\) | ||||
| 0.529999 | + | 0.847998i | \(0.322192\pi\) | |||||||
| \(90\) | 0 | 0 | ||||||||
| \(91\) | −4.00000 | −0.419314 | ||||||||
| \(92\) | 0 | 0 | ||||||||
| \(93\) | 0 | 0 | ||||||||
| \(94\) | 0 | 0 | ||||||||
| \(95\) | 2.00000 | − | 1.00000i | 0.205196 | − | 0.102598i | ||||
| \(96\) | 0 | 0 | ||||||||
| \(97\) | 18.0000i | 1.82762i | 0.406138 | + | 0.913812i | \(0.366875\pi\) | ||||
| −0.406138 | + | 0.913812i | \(0.633125\pi\) | |||||||
| \(98\) | − | 3.00000i | − | 0.303046i | ||||||
| \(99\) | 0 | 0 | ||||||||
Currently showing only \(a_p\); display all \(a_n\)
Currently showing all \(a_n\); display only \(a_p\)
Twists
| By twisting character | |||||||
|---|---|---|---|---|---|---|---|
| Char | Parity | Ord | Type | Twist | Min | Dim | |
| 1.1 | even | 1 | trivial | 855.2.c.a.514.1 | ✓ | 2 | |
| 3.2 | odd | 2 | 855.2.c.c.514.2 | yes | 2 | ||
| 5.2 | odd | 4 | 4275.2.a.n.1.1 | 1 | |||
| 5.3 | odd | 4 | 4275.2.a.d.1.1 | 1 | |||
| 5.4 | even | 2 | inner | 855.2.c.a.514.2 | yes | 2 | |
| 15.2 | even | 4 | 4275.2.a.g.1.1 | 1 | |||
| 15.8 | even | 4 | 4275.2.a.k.1.1 | 1 | |||
| 15.14 | odd | 2 | 855.2.c.c.514.1 | yes | 2 | ||
| By twisted newform | |||||||
|---|---|---|---|---|---|---|---|
| Twist | Min | Dim | Char | Parity | Ord | Type | |
| 855.2.c.a.514.1 | ✓ | 2 | 1.1 | even | 1 | trivial | |
| 855.2.c.a.514.2 | yes | 2 | 5.4 | even | 2 | inner | |
| 855.2.c.c.514.1 | yes | 2 | 15.14 | odd | 2 | ||
| 855.2.c.c.514.2 | yes | 2 | 3.2 | odd | 2 | ||
| 4275.2.a.d.1.1 | 1 | 5.3 | odd | 4 | |||
| 4275.2.a.g.1.1 | 1 | 15.2 | even | 4 | |||
| 4275.2.a.k.1.1 | 1 | 15.8 | even | 4 | |||
| 4275.2.a.n.1.1 | 1 | 5.2 | odd | 4 | |||