Copied to
clipboard

G = C7⋊D12  order 168 = 23·3·7

The semidirect product of C7 and D12 acting via D12/D6=C2

metabelian, supersoluble, monomial, 2-hyperelementary

Aliases: C21⋊3D4, C7⋊2D12, D6⋊2D7, Dic7⋊S3, D42⋊4C2, C6.6D14, C14.6D6, C42.6C22, C3⋊1(C7⋊D4), C2.6(S3×D7), (S3×C14)⋊2C2, (C3×Dic7)⋊3C2, SmallGroup(168,17)

Series: Derived ►Chief ►Lower central ►Upper central

C1 — C42 — C7⋊D12
C1 — C7 — C21 — C42 — C3×Dic7 — C7⋊D12
C21 — C42 — C7⋊D12
C1 — C2

Generators and relations for C7⋊D12
 G = < a,b,c | a7=b12=c2=1, bab-1=cac=a-1, cbc=b-1 >

6C2
42C2
3C22
7C4
21C22
2S3
14S3
6D7
6C14
21D4
7C12
7D6
3D14
3C2×C14
2S3×C7
2D21
7D12
3C7⋊D4

Character table of C7⋊D12

 class 12A2B2C3467A7B7C12A12B14A14B14C14D14E14F14G14H14I21A21B21C42A42B42C
 size 1164221422221414222666666444444
ρ1111111111111111111111111111    trivial
ρ211-111-11111-1-1111-1-1-1-1-1-1111111    linear of order 2
ρ311-1-111111111111-1-1-1-1-1-1111111    linear of order 2
ρ4111-11-11111-1-1111111111111111    linear of order 2
ρ52200-1-2-122211222000000-1-1-1-1-1-1    orthogonal lifted from D6
ρ62200-12-1222-1-1222000000-1-1-1-1-1-1    orthogonal lifted from S3
ρ72-20020-222200-2-2-2000000222-2-2-2    orthogonal lifted from D4
ρ82220202ζ75+ζ72ζ74+ζ73ζ76+ζ700ζ76+ζ7ζ75+ζ72ζ74+ζ73ζ74+ζ73ζ74+ζ73ζ76+ζ7ζ75+ζ72ζ75+ζ72ζ76+ζ7ζ76+ζ7ζ75+ζ72ζ74+ζ73ζ75+ζ72ζ74+ζ73ζ76+ζ7    orthogonal lifted from D7
ρ92220202ζ74+ζ73ζ76+ζ7ζ75+ζ7200ζ75+ζ72ζ74+ζ73ζ76+ζ7ζ76+ζ7ζ76+ζ7ζ75+ζ72ζ74+ζ73ζ74+ζ73ζ75+ζ72ζ75+ζ72ζ74+ζ73ζ76+ζ7ζ74+ζ73ζ76+ζ7ζ75+ζ72    orthogonal lifted from D7
ρ1022-20202ζ75+ζ72ζ74+ζ73ζ76+ζ700ζ76+ζ7ζ75+ζ72ζ74+ζ73-ζ74-ζ73-ζ74-ζ73-ζ76-ζ7-ζ75-ζ72-ζ75-ζ72-ζ76-ζ7ζ76+ζ7ζ75+ζ72ζ74+ζ73ζ75+ζ72ζ74+ζ73ζ76+ζ7    orthogonal lifted from D14
ρ1122-20202ζ76+ζ7ζ75+ζ72ζ74+ζ7300ζ74+ζ73ζ76+ζ7ζ75+ζ72-ζ75-ζ72-ζ75-ζ72-ζ74-ζ73-ζ76-ζ7-ζ76-ζ7-ζ74-ζ73ζ74+ζ73ζ76+ζ7ζ75+ζ72ζ76+ζ7ζ75+ζ72ζ74+ζ73    orthogonal lifted from D14
ρ122-200-101222√3-√3-2-2-2000000-1-1-1111    orthogonal lifted from D12
ρ1322-20202ζ74+ζ73ζ76+ζ7ζ75+ζ7200ζ75+ζ72ζ74+ζ73ζ76+ζ7-ζ76-ζ7-ζ76-ζ7-ζ75-ζ72-ζ74-ζ73-ζ74-ζ73-ζ75-ζ72ζ75+ζ72ζ74+ζ73ζ76+ζ7ζ74+ζ73ζ76+ζ7ζ75+ζ72    orthogonal lifted from D14
ρ142220202ζ76+ζ7ζ75+ζ72ζ74+ζ7300ζ74+ζ73ζ76+ζ7ζ75+ζ72ζ75+ζ72ζ75+ζ72ζ74+ζ73ζ76+ζ7ζ76+ζ7ζ74+ζ73ζ74+ζ73ζ76+ζ7ζ75+ζ72ζ76+ζ7ζ75+ζ72ζ74+ζ73    orthogonal lifted from D7
ρ152-200-101222-√3√3-2-2-2000000-1-1-1111    orthogonal lifted from D12
ρ162-20020-2ζ75+ζ72ζ74+ζ73ζ76+ζ700-ζ76-ζ7-ζ75-ζ72-ζ74-ζ73ζ74-ζ73-ζ74+ζ73ζ76-ζ7-ζ75+ζ72ζ75-ζ72-ζ76+ζ7ζ76+ζ7ζ75+ζ72ζ74+ζ73-ζ75-ζ72-ζ74-ζ73-ζ76-ζ7    complex lifted from C7⋊D4
ρ172-20020-2ζ76+ζ7ζ75+ζ72ζ74+ζ7300-ζ74-ζ73-ζ76-ζ7-ζ75-ζ72-ζ75+ζ72ζ75-ζ72-ζ74+ζ73-ζ76+ζ7ζ76-ζ7ζ74-ζ73ζ74+ζ73ζ76+ζ7ζ75+ζ72-ζ76-ζ7-ζ75-ζ72-ζ74-ζ73    complex lifted from C7⋊D4
ρ182-20020-2ζ74+ζ73ζ76+ζ7ζ75+ζ7200-ζ75-ζ72-ζ74-ζ73-ζ76-ζ7-ζ76+ζ7ζ76-ζ7ζ75-ζ72ζ74-ζ73-ζ74+ζ73-ζ75+ζ72ζ75+ζ72ζ74+ζ73ζ76+ζ7-ζ74-ζ73-ζ76-ζ7-ζ75-ζ72    complex lifted from C7⋊D4
ρ192-20020-2ζ76+ζ7ζ75+ζ72ζ74+ζ7300-ζ74-ζ73-ζ76-ζ7-ζ75-ζ72ζ75-ζ72-ζ75+ζ72ζ74-ζ73ζ76-ζ7-ζ76+ζ7-ζ74+ζ73ζ74+ζ73ζ76+ζ7ζ75+ζ72-ζ76-ζ7-ζ75-ζ72-ζ74-ζ73    complex lifted from C7⋊D4
ρ202-20020-2ζ75+ζ72ζ74+ζ73ζ76+ζ700-ζ76-ζ7-ζ75-ζ72-ζ74-ζ73-ζ74+ζ73ζ74-ζ73-ζ76+ζ7ζ75-ζ72-ζ75+ζ72ζ76-ζ7ζ76+ζ7ζ75+ζ72ζ74+ζ73-ζ75-ζ72-ζ74-ζ73-ζ76-ζ7    complex lifted from C7⋊D4
ρ212-20020-2ζ74+ζ73ζ76+ζ7ζ75+ζ7200-ζ75-ζ72-ζ74-ζ73-ζ76-ζ7ζ76-ζ7-ζ76+ζ7-ζ75+ζ72-ζ74+ζ73ζ74-ζ73ζ75-ζ72ζ75+ζ72ζ74+ζ73ζ76+ζ7-ζ74-ζ73-ζ76-ζ7-ζ75-ζ72    complex lifted from C7⋊D4
ρ224400-20-22ζ75+2ζ722ζ74+2ζ732ζ76+2ζ7002ζ76+2ζ72ζ75+2ζ722ζ74+2ζ73000000-ζ76-ζ7-ζ75-ζ72-ζ74-ζ73-ζ75-ζ72-ζ74-ζ73-ζ76-ζ7    orthogonal lifted from S3×D7
ρ234-400-2022ζ75+2ζ722ζ74+2ζ732ζ76+2ζ700-2ζ76-2ζ7-2ζ75-2ζ72-2ζ74-2ζ73000000-ζ76-ζ7-ζ75-ζ72-ζ74-ζ73ζ75+ζ72ζ74+ζ73ζ76+ζ7    orthogonal faithful, Schur index 2
ρ244-400-2022ζ76+2ζ72ζ75+2ζ722ζ74+2ζ7300-2ζ74-2ζ73-2ζ76-2ζ7-2ζ75-2ζ72000000-ζ74-ζ73-ζ76-ζ7-ζ75-ζ72ζ76+ζ7ζ75+ζ72ζ74+ζ73    orthogonal faithful, Schur index 2
ρ254400-20-22ζ74+2ζ732ζ76+2ζ72ζ75+2ζ72002ζ75+2ζ722ζ74+2ζ732ζ76+2ζ7000000-ζ75-ζ72-ζ74-ζ73-ζ76-ζ7-ζ74-ζ73-ζ76-ζ7-ζ75-ζ72    orthogonal lifted from S3×D7
ρ264400-20-22ζ76+2ζ72ζ75+2ζ722ζ74+2ζ73002ζ74+2ζ732ζ76+2ζ72ζ75+2ζ72000000-ζ74-ζ73-ζ76-ζ7-ζ75-ζ72-ζ76-ζ7-ζ75-ζ72-ζ74-ζ73    orthogonal lifted from S3×D7
ρ274-400-2022ζ74+2ζ732ζ76+2ζ72ζ75+2ζ7200-2ζ75-2ζ72-2ζ74-2ζ73-2ζ76-2ζ7000000-ζ75-ζ72-ζ74-ζ73-ζ76-ζ7ζ74+ζ73ζ76+ζ7ζ75+ζ72    orthogonal faithful, Schur index 2

Smallest permutation representation of C7⋊D12
►On 84 points
Generators in S84
(1 18 80 54 71 39 33)(2 34 40 72 55 81 19)(3 20 82 56 61 41 35)(4 36 42 62 57 83 21)(5 22 84 58 63 43 25)(6 26 44 64 59 73 23)(7 24 74 60 65 45 27)(8 28 46 66 49 75 13)(9 14 76 50 67 47 29)(10 30 48 68 51 77 15)(11 16 78 52 69 37 31)(12 32 38 70 53 79 17)
(1 2 3 4 5 6 7 8 9 10 11 12)(13 14 15 16 17 18 19 20 21 22 23 24)(25 26 27 28 29 30 31 32 33 34 35 36)(37 38 39 40 41 42 43 44 45 46 47 48)(49 50 51 52 53 54 55 56 57 58 59 60)(61 62 63 64 65 66 67 68 69 70 71 72)(73 74 75 76 77 78 79 80 81 82 83 84)
(1 9)(2 8)(3 7)(4 6)(10 12)(13 34)(14 33)(15 32)(16 31)(17 30)(18 29)(19 28)(20 27)(21 26)(22 25)(23 36)(24 35)(37 78)(38 77)(39 76)(40 75)(41 74)(42 73)(43 84)(44 83)(45 82)(46 81)(47 80)(48 79)(49 72)(50 71)(51 70)(52 69)(53 68)(54 67)(55 66)(56 65)(57 64)(58 63)(59 62)(60 61)
 
G:=sub<Sym(84)| (1,18,80,54,71,39,33)(2,34,40,72,55,81,19)(3,20,82,56,61,41,35)(4,36,42,62,57,83,21)(5,22,84,58,63,43,25)(6,26,44,64,59,73,23)(7,24,74,60,65,45,27)(8,28,46,66,49,75,13)(9,14,76,50,67,47,29)(10,30,48,68,51,77,15)(11,16,78,52,69,37,31)(12,32,38,70,53,79,17), (1,2,3,4,5,6,7,8,9,10,11,12)(13,14,15,16,17,18,19,20,21,22,23,24)(25,26,27,28,29,30,31,32,33,34,35,36)(37,38,39,40,41,42,43,44,45,46,47,48)(49,50,51,52,53,54,55,56,57,58,59,60)(61,62,63,64,65,66,67,68,69,70,71,72)(73,74,75,76,77,78,79,80,81,82,83,84), (1,9)(2,8)(3,7)(4,6)(10,12)(13,34)(14,33)(15,32)(16,31)(17,30)(18,29)(19,28)(20,27)(21,26)(22,25)(23,36)(24,35)(37,78)(38,77)(39,76)(40,75)(41,74)(42,73)(43,84)(44,83)(45,82)(46,81)(47,80)(48,79)(49,72)(50,71)(51,70)(52,69)(53,68)(54,67)(55,66)(56,65)(57,64)(58,63)(59,62)(60,61)>;
 
G:=Group( (1,18,80,54,71,39,33)(2,34,40,72,55,81,19)(3,20,82,56,61,41,35)(4,36,42,62,57,83,21)(5,22,84,58,63,43,25)(6,26,44,64,59,73,23)(7,24,74,60,65,45,27)(8,28,46,66,49,75,13)(9,14,76,50,67,47,29)(10,30,48,68,51,77,15)(11,16,78,52,69,37,31)(12,32,38,70,53,79,17), (1,2,3,4,5,6,7,8,9,10,11,12)(13,14,15,16,17,18,19,20,21,22,23,24)(25,26,27,28,29,30,31,32,33,34,35,36)(37,38,39,40,41,42,43,44,45,46,47,48)(49,50,51,52,53,54,55,56,57,58,59,60)(61,62,63,64,65,66,67,68,69,70,71,72)(73,74,75,76,77,78,79,80,81,82,83,84), (1,9)(2,8)(3,7)(4,6)(10,12)(13,34)(14,33)(15,32)(16,31)(17,30)(18,29)(19,28)(20,27)(21,26)(22,25)(23,36)(24,35)(37,78)(38,77)(39,76)(40,75)(41,74)(42,73)(43,84)(44,83)(45,82)(46,81)(47,80)(48,79)(49,72)(50,71)(51,70)(52,69)(53,68)(54,67)(55,66)(56,65)(57,64)(58,63)(59,62)(60,61) );
 
G=PermutationGroup([[(1,18,80,54,71,39,33),(2,34,40,72,55,81,19),(3,20,82,56,61,41,35),(4,36,42,62,57,83,21),(5,22,84,58,63,43,25),(6,26,44,64,59,73,23),(7,24,74,60,65,45,27),(8,28,46,66,49,75,13),(9,14,76,50,67,47,29),(10,30,48,68,51,77,15),(11,16,78,52,69,37,31),(12,32,38,70,53,79,17)], [(1,2,3,4,5,6,7,8,9,10,11,12),(13,14,15,16,17,18,19,20,21,22,23,24),(25,26,27,28,29,30,31,32,33,34,35,36),(37,38,39,40,41,42,43,44,45,46,47,48),(49,50,51,52,53,54,55,56,57,58,59,60),(61,62,63,64,65,66,67,68,69,70,71,72),(73,74,75,76,77,78,79,80,81,82,83,84)], [(1,9),(2,8),(3,7),(4,6),(10,12),(13,34),(14,33),(15,32),(16,31),(17,30),(18,29),(19,28),(20,27),(21,26),(22,25),(23,36),(24,35),(37,78),(38,77),(39,76),(40,75),(41,74),(42,73),(43,84),(44,83),(45,82),(46,81),(47,80),(48,79),(49,72),(50,71),(51,70),(52,69),(53,68),(54,67),(55,66),(56,65),(57,64),(58,63),(59,62),(60,61)]])
 

C7⋊D12 is a maximal subgroup of   D12⋊D7  D84⋊C2  D6.D14  D7×D12  Dic3.D14  S3×C7⋊D4  D6⋊D14
C7⋊D12 is a maximal quotient of   C7⋊D24  D12.D7  Dic6⋊D7  C7⋊Dic12  D6⋊Dic7  D42⋊C4  C42.Q8

Matrix representation of C7⋊D12 ►in GL4(𝔽337) generated by

0100
33630300
0010
0001
,
1222700
26021500
00292306
00870
,
1000
30333600
00336290
0001
G:=sub<GL(4,GF(337))| [0,336,0,0,1,303,0,0,0,0,1,0,0,0,0,1],[122,260,0,0,27,215,0,0,0,0,292,87,0,0,306,0],[1,303,0,0,0,336,0,0,0,0,336,0,0,0,290,1] >;
 

C7⋊D12 in GAP, Magma, Sage, TeX

C_7\rtimes D_{12}
 
% in TeX
 
G:=Group("C7:D12");
 
// GroupNames label
 
G:=SmallGroup(168,17);
 
// by ID
 
G=gap.SmallGroup(168,17);
 
# by ID
 
G:=PCGroup([5,-2,-2,-2,-3,-7,20,61,168,3604]);
 
// Polycyclic
 
G:=Group<a,b,c|a^7=b^12=c^2=1,b*a*b^-1=c*a*c=a^-1,c*b*c=b^-1>;
 
// generators/relations
 

Export

Subgroup lattice of C7⋊D12 in TeX
Character table of C7⋊D12 in TeX

׿
×
⋊
ℤ
𝔽
○
≀
ℚ
◁