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Group invariants
Abstract group: | $C_2^6:(C_2\times C_4)$ |
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Order: | $512=2^{9}$ |
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Cyclic: | no |
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Abelian: | no |
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Solvable: | yes |
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Nilpotency class: | $4$ |
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Group action invariants
Degree $n$: | $16$ |
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Transitive number $t$: | $815$ |
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Parity: | $1$ |
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Primitive: | no |
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$\card{\Aut(F/K)}$: | $2$ |
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Generators: | $(1,2)(3,4)$, $(1,9,5,13,2,10,6,14)(3,12,7,15,4,11,8,16)$, $(9,10)(13,14)$, $(1,7,6,4)(2,8,5,3)(9,15,14,12)(10,16,13,11)$ |
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Low degree resolvents
$\card{(G/N)}$ Galois groups for stem field(s) $2$: $C_2$ x 7 $4$: $C_4$ x 4, $C_2^2$ x 7 $8$: $D_{4}$ x 8, $C_4\times C_2$ x 6, $C_2^3$ $16$: $D_4\times C_2$ x 4, $C_2^2:C_4$ x 4, $Q_8:C_2$ x 2, $C_4\times C_2^2$ $32$: $C_2^2 \wr C_2$, $C_2^3 : C_4 $ x 4, $C_4 \times D_4$ x 2, $C_2 \times (C_2^2:C_4)$, 16T34 x 2, 16T37 $64$: $(((C_4 \times C_2): C_2):C_2):C_2$ x 2, 16T76 x 2, 32T239 $128$: 16T208, 16T218, 16T230 $256$: 32T3729 Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$ x 3
Degree 8: $C_4\times C_2$
Low degree siblings
16T815 x 3, 16T821 x 4, 16T863 x 8, 16T865 x 8, 32T9851 x 4, 32T9852 x 8, 32T9853 x 4, 32T9854 x 2, 32T9855 x 4, 32T9856 x 8, 32T9857 x 4, 32T9858 x 4, 32T9859 x 8, 32T9860 x 4, 32T9861 x 4, 32T9862 x 2, 32T9863 x 8, 32T9864 x 4, 32T9917 x 4, 32T9918 x 8, 32T9919 x 2, 32T9920 x 4, 32T9921 x 8, 32T9922 x 2, 32T9923 x 4, 32T10268 x 8, 32T10269 x 4, 32T10270 x 4, 32T10271 x 8, 32T10277 x 4, 32T10278 x 4, 32T19785 x 2, 32T20109 x 2Siblings are shown with degree $\leq 47$
A number field with this Galois group has no arithmetically equivalent fields.
Conjugacy classes
Label | Cycle Type | Size | Order | Index | Representative |
1A | $1^{16}$ | $1$ | $1$ | $0$ | $()$ |
2A | $2^{8}$ | $1$ | $2$ | $8$ | $( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14)(15,16)$ |
2B | $2^{4},1^{8}$ | $2$ | $2$ | $4$ | $( 1, 2)( 5, 6)( 9,10)(13,14)$ |
2C | $2^{4},1^{8}$ | $2$ | $2$ | $4$ | $( 9,10)(11,12)(13,14)(15,16)$ |
2D | $2^{4},1^{8}$ | $2$ | $2$ | $4$ | $( 1, 2)( 5, 6)(11,12)(15,16)$ |
2E | $2^{6},1^{4}$ | $4$ | $2$ | $6$ | $( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(13,14)$ |
2F | $2^{2},1^{12}$ | $4$ | $2$ | $2$ | $( 9,10)(13,14)$ |
2G | $2^{8}$ | $4$ | $2$ | $8$ | $( 1, 5)( 2, 6)( 3, 7)( 4, 8)( 9,14)(10,13)(11,15)(12,16)$ |
2H | $2^{8}$ | $4$ | $2$ | $8$ | $( 1, 6)( 2, 5)( 3, 7)( 4, 8)( 9,14)(10,13)(11,16)(12,15)$ |
2I | $2^{4},1^{8}$ | $4$ | $2$ | $4$ | $( 1, 2)( 3, 4)(11,12)(13,14)$ |
2J | $2^{4},1^{8}$ | $4$ | $2$ | $4$ | $( 5, 6)( 7, 8)(11,12)(13,14)$ |
2K | $2^{4},1^{8}$ | $8$ | $2$ | $4$ | $( 1, 2)( 5, 6)(13,14)(15,16)$ |
2L | $2^{4},1^{8}$ | $8$ | $2$ | $4$ | $( 3, 4)( 7, 8)(13,14)(15,16)$ |
2M | $2^{6},1^{4}$ | $8$ | $2$ | $6$ | $( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)$ |
2N | $2^{2},1^{12}$ | $8$ | $2$ | $2$ | $(11,12)(13,14)$ |
2O | $2^{4},1^{8}$ | $8$ | $2$ | $4$ | $( 1, 2)( 3, 4)( 9,10)(11,12)$ |
2P | $2^{8}$ | $8$ | $2$ | $8$ | $( 1,16)( 2,15)( 3,10)( 4, 9)( 5,12)( 6,11)( 7,13)( 8,14)$ |
2Q | $2^{8}$ | $8$ | $2$ | $8$ | $( 1,12)( 2,11)( 3,13)( 4,14)( 5,16)( 6,15)( 7,10)( 8, 9)$ |
2R | $2^{8}$ | $8$ | $2$ | $8$ | $( 1, 6)( 2, 5)( 3, 7)( 4, 8)( 9,14)(10,13)(11,15)(12,16)$ |
4A | $4^{4}$ | $8$ | $4$ | $12$ | $( 1, 6, 2, 5)( 3, 8, 4, 7)( 9,13,10,14)(11,15,12,16)$ |
4B | $4^{4}$ | $8$ | $4$ | $12$ | $( 1,16, 2,15)( 3,10, 4, 9)( 5,12, 6,11)( 7,13, 8,14)$ |
4C | $4^{4}$ | $8$ | $4$ | $12$ | $( 1,12, 2,11)( 3,13, 4,14)( 5,16, 6,15)( 7,10, 8, 9)$ |
4D | $4^{4}$ | $8$ | $4$ | $12$ | $( 1, 6, 2, 5)( 3, 8, 4, 7)( 9,13,10,14)(11,16,12,15)$ |
4E | $4^{2},2^{4}$ | $16$ | $4$ | $10$ | $( 1, 6)( 2, 5)( 3, 7)( 4, 8)( 9,13,10,14)(11,16,12,15)$ |
4F | $4^{2},2^{4}$ | $16$ | $4$ | $10$ | $( 1, 6)( 2, 5)( 3, 8)( 4, 7)( 9,14,10,13)(11,15,12,16)$ |
4G | $4^{2},2^{4}$ | $16$ | $4$ | $10$ | $( 1,15, 2,16)( 3, 9)( 4,10)( 5,11, 6,12)( 7,14)( 8,13)$ |
4H | $4^{2},2^{4}$ | $16$ | $4$ | $10$ | $( 1,11, 2,12)( 3,14)( 4,13)( 5,15, 6,16)( 7, 9)( 8,10)$ |
4I1 | $4^{4}$ | $16$ | $4$ | $12$ | $( 1, 3, 5, 7)( 2, 4, 6, 8)( 9,11,14,15)(10,12,13,16)$ |
4I-1 | $4^{4}$ | $16$ | $4$ | $12$ | $( 1, 7, 5, 3)( 2, 8, 6, 4)( 9,15,14,11)(10,16,13,12)$ |
4J1 | $4^{4}$ | $16$ | $4$ | $12$ | $( 1, 3, 6, 7)( 2, 4, 5, 8)( 9,12,14,15)(10,11,13,16)$ |
4J-1 | $4^{4}$ | $16$ | $4$ | $12$ | $( 1, 8, 5, 3)( 2, 7, 6, 4)( 9,15,13,11)(10,16,14,12)$ |
4K1 | $4^{4}$ | $16$ | $4$ | $12$ | $( 1,10, 5,13)( 2, 9, 6,14)( 3,12, 7,16)( 4,11, 8,15)$ |
4K-1 | $4^{4}$ | $16$ | $4$ | $12$ | $( 1,13, 5,10)( 2,14, 6, 9)( 3,16, 7,12)( 4,15, 8,11)$ |
4L1 | $4^{4}$ | $16$ | $4$ | $12$ | $( 1, 9, 6,13)( 2,10, 5,14)( 3,11, 7,15)( 4,12, 8,16)$ |
4L-1 | $4^{4}$ | $16$ | $4$ | $12$ | $( 1,14, 6,10)( 2,13, 5, 9)( 3,15, 7,11)( 4,16, 8,12)$ |
4M | $4^{2},2^{4}$ | $32$ | $4$ | $10$ | $( 1,12, 2,11)( 3,14, 4,13)( 5,16)( 6,15)( 7, 9)( 8,10)$ |
4N | $4^{2},2^{4}$ | $32$ | $4$ | $10$ | $( 1,15)( 2,16)( 3, 9)( 4,10)( 5,12, 6,11)( 7,13, 8,14)$ |
4O1 | $4^{4}$ | $32$ | $4$ | $12$ | $( 1, 3, 6, 7)( 2, 4, 5, 8)( 9,11,14,15)(10,12,13,16)$ |
4O-1 | $4^{4}$ | $32$ | $4$ | $12$ | $( 1, 7, 6, 3)( 2, 8, 5, 4)( 9,15,14,11)(10,16,13,12)$ |
8A1 | $8^{2}$ | $32$ | $8$ | $14$ | $( 1,10, 6,14, 2, 9, 5,13)( 3,12, 8,15, 4,11, 7,16)$ |
8A-1 | $8^{2}$ | $32$ | $8$ | $14$ | $( 1,13, 5, 9, 2,14, 6,10)( 3,16, 7,11, 4,15, 8,12)$ |
Malle's constant $a(G)$: $1/2$
Character table
41 x 41 character table
Regular extensions
Data not computed