Properties

Label 2.7791.10t3.b.b
Dimension $2$
Group $D_{10}$
Conductor $7791$
Root number $1$
Indicator $1$

Related objects

Downloads

Learn more

Basic invariants

Dimension: $2$
Group: $D_{10}$
Conductor: \(7791\)\(\medspace = 3 \cdot 7^{2} \cdot 53 \)
Frobenius-Schur indicator: $1$
Root number: $1$
Artin stem field: Galois closure of 10.0.10741840447527.1
Galois orbit size: $2$
Smallest permutation container: $D_{10}$
Parity: odd
Determinant: 1.159.2t1.a.a
Projective image: $D_5$
Projective stem field: Galois closure of 5.1.25281.1

Defining polynomial

$f(x)$$=$ \( x^{10} - 3x^{8} - 15x^{7} + 5x^{6} + 45x^{5} + 60x^{4} - 36x^{3} - 200x^{2} + 48x + 288 \) Copy content Toggle raw display .

The roots of $f$ are computed in an extension of $\Q_{ 23 }$ to precision 9.

Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 23 }$: \( x^{5} + 3x + 18 \) Copy content Toggle raw display

Roots:
$r_{ 1 }$ $=$ \( 16 a^{3} + 5 a^{2} + 20 a + \left(18 a^{4} + 13 a^{3} + 21 a^{2} + 13 a + 11\right)\cdot 23 + \left(3 a^{4} + 6 a^{3} + 11 a^{2} + 2 a + 4\right)\cdot 23^{2} + \left(17 a^{4} + 3 a^{3} + 9 a^{2} + 10 a + 18\right)\cdot 23^{3} + \left(21 a^{4} + 11 a^{3} + 15 a^{2} + 13 a + 10\right)\cdot 23^{4} + \left(21 a^{4} + 13 a^{3} + 4 a^{2} + 6 a + 20\right)\cdot 23^{5} + \left(20 a^{4} + 9 a^{3} + 5 a^{2} + 20 a + 8\right)\cdot 23^{6} + \left(21 a^{4} + 10 a^{3} + 14 a^{2} + 20 a + 20\right)\cdot 23^{7} + \left(15 a^{4} + 7 a^{3} + 4 a^{2} + 15 a + 19\right)\cdot 23^{8} +O(23^{9})\) Copy content Toggle raw display
$r_{ 2 }$ $=$ \( 18 a^{3} + 20 a^{2} + 11 a + \left(3 a^{4} + 16 a^{3} + 6 a^{2} + 19 a + 21\right)\cdot 23 + \left(a^{4} + 2 a^{3} + 19 a^{2} + 10 a + 11\right)\cdot 23^{2} + \left(6 a^{4} + 17 a^{3} + 2 a^{2} + 14 a + 14\right)\cdot 23^{3} + \left(22 a^{4} + 5 a^{3} + 22 a^{2} + 16 a + 16\right)\cdot 23^{4} + \left(3 a^{4} + 21 a^{2} + a + 18\right)\cdot 23^{5} + \left(7 a^{4} + 2 a^{3} + 8 a^{2} + 11 a + 21\right)\cdot 23^{6} + \left(3 a^{4} + 15 a^{3} + 16 a^{2} + 14 a + 7\right)\cdot 23^{7} + \left(2 a^{4} + 19 a^{3} + 2 a + 14\right)\cdot 23^{8} +O(23^{9})\) Copy content Toggle raw display
$r_{ 3 }$ $=$ \( 10 a^{4} + 5 a^{3} + 13 a^{2} + 17 a + 1 + \left(16 a^{4} + 18 a^{3} + 11 a^{2} + 21 a + 21\right)\cdot 23 + \left(15 a^{4} + 5 a^{3} + a^{2} + 5 a\right)\cdot 23^{2} + \left(15 a^{4} + 10 a^{3} + 5 a^{2} + 10\right)\cdot 23^{3} + \left(13 a^{4} + 3 a^{3} + 19 a^{2} + 15 a + 14\right)\cdot 23^{4} + \left(18 a^{4} + 18 a^{3} + 15 a^{2} + 7 a + 21\right)\cdot 23^{5} + \left(18 a^{4} + 17 a^{3} + 9 a^{2} + 15 a + 12\right)\cdot 23^{6} + \left(a^{4} + 13 a^{3} + 10 a^{2} + 16 a + 13\right)\cdot 23^{7} + \left(4 a^{4} + 14 a^{3} + 13 a\right)\cdot 23^{8} +O(23^{9})\) Copy content Toggle raw display
$r_{ 4 }$ $=$ \( 14 a^{4} + 7 a^{3} + 9 a^{2} + 10 a + 6 + \left(19 a^{4} + 12 a^{3} + 10 a^{2} + 21 a + 10\right)\cdot 23 + \left(17 a^{4} + 9 a^{3} + 11 a^{2} + 3 a + 1\right)\cdot 23^{2} + \left(17 a^{4} + 11 a^{3} + 13 a^{2} + 17 a + 15\right)\cdot 23^{3} + \left(3 a^{4} + 6 a^{3} + 19 a^{2} + 22 a + 13\right)\cdot 23^{4} + \left(2 a^{4} + 18 a^{3} + 18 a^{2}\right)\cdot 23^{5} + \left(a^{4} + 19 a^{3} + 11 a + 21\right)\cdot 23^{6} + \left(22 a^{4} + 3 a^{3} + 12 a^{2} + 16 a + 6\right)\cdot 23^{7} + \left(21 a^{4} + 13 a^{2} + 11\right)\cdot 23^{8} +O(23^{9})\) Copy content Toggle raw display
$r_{ 5 }$ $=$ \( 16 a^{4} + 2 a^{3} + a^{2} + 2 a + 20 + \left(14 a^{4} + 15 a^{3} + 13 a^{2} + 13 a + 16\right)\cdot 23 + \left(13 a^{4} + 2 a^{3} + 14 a^{2} + 13 a + 9\right)\cdot 23^{2} + \left(4 a^{4} + 3 a^{3} + 8 a^{2} + 10 a + 6\right)\cdot 23^{3} + \left(16 a^{4} + 10 a^{3} + 21 a^{2} + 11 a + 11\right)\cdot 23^{4} + \left(13 a^{3} + 8 a^{2} + 18 a + 15\right)\cdot 23^{5} + \left(18 a^{4} + 8 a^{3} + 7 a + 15\right)\cdot 23^{6} + \left(18 a^{4} + 15 a^{3} + 2 a^{2} + 19 a + 3\right)\cdot 23^{7} + \left(11 a^{4} + 6 a^{3} + 6 a^{2} + 5 a + 19\right)\cdot 23^{8} +O(23^{9})\) Copy content Toggle raw display
$r_{ 6 }$ $=$ \( 17 a^{4} + 3 a^{3} + 15 a^{2} + 2 a + 4 + \left(a^{4} + 3 a^{3} + 15 a^{2} + 2 a + 4\right)\cdot 23 + \left(a^{4} + 16 a^{3} + 18 a^{2} + 16 a + 7\right)\cdot 23^{2} + \left(2 a^{4} + a^{3} + 12 a^{2} + 7 a\right)\cdot 23^{3} + \left(11 a^{4} + 16 a^{3} + 14 a^{2} + 9 a + 22\right)\cdot 23^{4} + \left(14 a^{4} + 3 a^{3} + 9 a^{2} + 12 a + 20\right)\cdot 23^{5} + \left(6 a^{4} + 9 a^{3} + 15 a^{2} + 13 a + 15\right)\cdot 23^{6} + \left(2 a^{4} + 15 a^{3} + 4 a^{2} + 12 a + 14\right)\cdot 23^{7} + \left(5 a^{4} + 6 a^{3} + 5 a^{2} + 7\right)\cdot 23^{8} +O(23^{9})\) Copy content Toggle raw display
$r_{ 7 }$ $=$ \( 18 a^{4} + 8 a^{3} + 4 a^{2} + 8 a + 11 + \left(20 a^{4} + 15 a^{3} + 18 a^{2} + 7 a + 8\right)\cdot 23 + \left(19 a^{4} + 18 a^{3} + a^{2} + 15 a + 6\right)\cdot 23^{2} + \left(8 a^{4} + 20 a^{3} + 15 a^{2} + 9 a + 21\right)\cdot 23^{3} + \left(21 a^{4} + 17 a^{3} + 16 a^{2} + 3 a + 9\right)\cdot 23^{4} + \left(14 a^{4} + a^{3} + 6 a^{2} + 11 a + 17\right)\cdot 23^{5} + \left(17 a^{4} + 17 a^{3} + 18 a + 14\right)\cdot 23^{6} + \left(12 a^{4} + 20 a^{2} + 2 a + 7\right)\cdot 23^{7} + \left(19 a^{4} + 11 a^{3} + 7 a^{2} + 8 a + 19\right)\cdot 23^{8} +O(23^{9})\) Copy content Toggle raw display
$r_{ 8 }$ $=$ \( 19 a^{4} + 3 a^{3} + 18 a^{2} + 2 a + 18 + \left(a^{4} + 16 a^{3} + 19 a^{2} + 11 a + 22\right)\cdot 23 + \left(17 a^{4} + 3 a^{3} + 11 a^{2} + 5 a + 17\right)\cdot 23^{2} + \left(21 a^{4} + 3 a^{3} + 17 a^{2} + 19 a + 10\right)\cdot 23^{3} + \left(a^{4} + 20 a^{3} + 17 a^{2} + 8 a + 18\right)\cdot 23^{4} + \left(21 a^{4} + 2 a^{3} + 8 a^{2} + 16 a + 13\right)\cdot 23^{5} + \left(9 a^{4} + 2 a^{3} + 11 a^{2} + 22 a + 14\right)\cdot 23^{6} + \left(3 a^{4} + 3 a^{3} + 15 a^{2} + 14 a + 3\right)\cdot 23^{7} + \left(6 a^{4} + 20 a^{3} + 16 a^{2} + 8 a + 10\right)\cdot 23^{8} +O(23^{9})\) Copy content Toggle raw display
$r_{ 9 }$ $=$ \( 22 a^{4} + 12 a^{3} + 14 a^{2} + 8 a + 16 + \left(3 a^{4} + 2 a^{3} + 12 a^{2} + 9 a + 18\right)\cdot 23 + \left(15 a^{4} + 15 a^{3} + 11 a^{2} + 8 a + 8\right)\cdot 23^{2} + \left(16 a^{4} + 17 a^{3} + 5 a^{2} + 2 a + 12\right)\cdot 23^{3} + \left(9 a^{4} + 21 a^{3} + 16 a^{2} + 2 a + 9\right)\cdot 23^{4} + \left(10 a^{4} + 22 a^{3} + 15 a^{2} + 9 a + 20\right)\cdot 23^{5} + \left(15 a^{4} + 6 a^{3} + 15 a^{2} + a + 4\right)\cdot 23^{6} + \left(a^{4} + 13 a^{3} + 6 a^{2} + 20 a + 13\right)\cdot 23^{7} + \left(14 a^{4} + 3 a^{3} + 20 a^{2} + 12 a + 1\right)\cdot 23^{8} +O(23^{9})\) Copy content Toggle raw display
$r_{ 10 }$ $=$ \( 22 a^{4} + 18 a^{3} + 16 a^{2} + 12 a + 16 + \left(14 a^{4} + a^{3} + 8 a^{2} + 18 a + 3\right)\cdot 23 + \left(9 a^{4} + 11 a^{3} + 12 a^{2} + 9 a\right)\cdot 23^{2} + \left(4 a^{4} + 3 a^{3} + a^{2} + 6\right)\cdot 23^{3} + \left(16 a^{4} + 2 a^{3} + 21 a^{2} + 12 a + 11\right)\cdot 23^{4} + \left(6 a^{4} + 20 a^{3} + 3 a^{2} + 7 a + 11\right)\cdot 23^{5} + \left(22 a^{4} + 21 a^{3} + a^{2} + 16 a + 7\right)\cdot 23^{6} + \left(3 a^{4} + 13 a^{2} + 22 a\right)\cdot 23^{7} + \left(14 a^{4} + 2 a^{3} + 16 a^{2} + 22 a + 11\right)\cdot 23^{8} +O(23^{9})\) Copy content Toggle raw display

Generators of the action on the roots $r_1, \ldots, r_{ 10 }$

Cycle notation
$(1,2)(3,4)(5,7)(6,9)(8,10)$
$(1,10)(2,8)(5,6)(7,9)$
$(3,7)(4,5)(6,10)(8,9)$

Character values on conjugacy classes

SizeOrderAction on $r_1, \ldots, r_{ 10 }$ Character value
$1$$1$$()$$2$
$1$$2$$(1,2)(3,4)(5,7)(6,9)(8,10)$$-2$
$5$$2$$(1,10)(2,8)(5,6)(7,9)$$0$
$5$$2$$(1,8)(2,10)(3,4)(5,9)(6,7)$$0$
$2$$5$$(1,6,4,5,10)(2,9,3,7,8)$$-\zeta_{5}^{3} - \zeta_{5}^{2} - 1$
$2$$5$$(1,4,10,6,5)(2,3,8,9,7)$$\zeta_{5}^{3} + \zeta_{5}^{2}$
$2$$10$$(1,9,4,7,10,2,6,3,5,8)$$\zeta_{5}^{3} + \zeta_{5}^{2} + 1$
$2$$10$$(1,7,6,8,4,2,5,9,10,3)$$-\zeta_{5}^{3} - \zeta_{5}^{2}$

The blue line marks the conjugacy class containing complex conjugation.