Properties

Label 2.847.10t6.b.d
Dimension $2$
Group $D_5\times C_5$
Conductor $847$
Root number not computed
Indicator $0$

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Basic invariants

Dimension: $2$
Group: $D_5\times C_5$
Conductor: \(847\)\(\medspace = 7 \cdot 11^{2} \)
Artin stem field: Galois closure of 10.0.246071287.1
Galois orbit size: $4$
Smallest permutation container: $D_5\times C_5$
Parity: odd
Determinant: 1.77.10t1.a.d
Projective image: $D_5$
Projective stem field: Galois closure of 5.1.717409.1

Defining polynomial

$f(x)$$=$ \( x^{10} - 3x^{9} + 7x^{8} - 12x^{7} + 15x^{6} - 15x^{5} + 12x^{4} - 7x^{3} + 4x^{2} - 2x + 1 \) Copy content Toggle raw display .

The roots of $f$ are computed in an extension of $\Q_{ 23 }$ to precision 7.

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

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

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

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

Character values on conjugacy classes

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

The blue line marks the conjugacy class containing complex conjugation.