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G = D10.11M4(2)  order 320 = 26·5

7th non-split extension by D10 of M4(2) acting via M4(2)/C2×C4=C2

metabelian, supersoluble, monomial, 2-hyperelementary

Aliases: D10.11M4(2), D5⋊(C22⋊C8), D1010(C2×C8), (C22×D5)⋊6C8, C222(D5⋊C8), (C4×D5).119D4, D10⋊C814C2, (C22×C4).14F5, C23.40(C2×F5), (C22×C20).34C4, C10.14(C22×C8), (C23×D5).14C4, C4.45(C22⋊F5), C20.44(C22⋊C4), Dic5.104(C2×D4), C2.7(D5⋊M4(2)), C10.20(C2×M4(2)), C23.2F514C2, D10.38(C22⋊C4), C22.47(C22×F5), (C2×Dic5).344C23, (C22×Dic5).272C22, C52(C2×C22⋊C8), (C2×C10)⋊3(C2×C8), (C2×C5⋊C8)⋊7C22, (C2×C4×D5).33C4, (C2×D5⋊C8)⋊12C2, C2.15(C2×D5⋊C8), C2.2(C2×C22⋊F5), C10.4(C2×C22⋊C4), (C2×C4).107(C2×F5), (D5×C22×C4).34C2, (C2×C20).178(C2×C4), (C2×C4×D5).414C22, (C2×C10).60(C22×C4), (C22×C10).60(C2×C4), (C2×Dic5).182(C2×C4), (C22×D5).124(C2×C4), SmallGroup(320,1091)

Series: Derived Chief Lower central Upper central

C1C10 — D10.11M4(2)
C1C5C10Dic5C2×Dic5C2×C5⋊C8C23.2F5 — D10.11M4(2)
C5C10 — D10.11M4(2)
C1C2×C4C22×C4

Generators and relations for D10.11M4(2)
 G = < a,b,c,d | a10=b2=c8=d2=1, bab=a-1, cac-1=a3, ad=da, cbc-1=a2b, bd=db, dcd=a5c5 >

Subgroups: 762 in 202 conjugacy classes, 70 normal (30 characteristic)
C1, C2 [×3], C2 [×8], C4 [×2], C4 [×4], C22, C22 [×2], C22 [×20], C5, C8 [×4], C2×C4 [×2], C2×C4 [×16], C23, C23 [×10], D5 [×4], D5 [×2], C10 [×3], C10 [×2], C2×C8 [×8], C22×C4, C22×C4 [×9], C24, Dic5 [×2], Dic5, C20 [×2], C20, D10 [×8], D10 [×10], C2×C10, C2×C10 [×2], C2×C10 [×2], C22⋊C8 [×4], C22×C8 [×2], C23×C4, C5⋊C8 [×4], C4×D5 [×4], C4×D5 [×6], C2×Dic5 [×2], C2×Dic5 [×2], C2×C20 [×2], C2×C20 [×2], C22×D5 [×2], C22×D5 [×4], C22×D5 [×4], C22×C10, C2×C22⋊C8, D5⋊C8 [×4], C2×C5⋊C8 [×4], C2×C4×D5 [×4], C2×C4×D5 [×4], C22×Dic5, C22×C20, C23×D5, D10⋊C8 [×2], C23.2F5 [×2], C2×D5⋊C8 [×2], D5×C22×C4, D10.11M4(2)
Quotients: C1, C2 [×7], C4 [×4], C22 [×7], C8 [×4], C2×C4 [×6], D4 [×4], C23, C22⋊C4 [×4], C2×C8 [×6], M4(2) [×2], C22×C4, C2×D4 [×2], F5, C22⋊C8 [×4], C2×C22⋊C4, C22×C8, C2×M4(2), C2×F5 [×3], C2×C22⋊C8, D5⋊C8 [×2], C22⋊F5 [×2], C22×F5, C2×D5⋊C8, D5⋊M4(2), C2×C22⋊F5, D10.11M4(2)

Smallest permutation representation of D10.11M4(2)
On 80 points
Generators in S80
(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)
(1 5)(2 4)(6 10)(7 9)(12 20)(13 19)(14 18)(15 17)(21 25)(22 24)(26 30)(27 29)(31 37)(32 36)(33 35)(38 40)(41 45)(42 44)(46 50)(47 49)(52 60)(53 59)(54 58)(55 57)(61 63)(64 70)(65 69)(66 68)(71 75)(72 74)(76 80)(77 79)
(1 71 46 70 26 14 37 54)(2 78 45 63 27 11 36 57)(3 75 44 66 28 18 35 60)(4 72 43 69 29 15 34 53)(5 79 42 62 30 12 33 56)(6 76 41 65 21 19 32 59)(7 73 50 68 22 16 31 52)(8 80 49 61 23 13 40 55)(9 77 48 64 24 20 39 58)(10 74 47 67 25 17 38 51)
(1 26)(2 27)(3 28)(4 29)(5 30)(6 21)(7 22)(8 23)(9 24)(10 25)(11 16)(12 17)(13 18)(14 19)(15 20)(31 50)(32 41)(33 42)(34 43)(35 44)(36 45)(37 46)(38 47)(39 48)(40 49)(51 56)(52 57)(53 58)(54 59)(55 60)(61 66)(62 67)(63 68)(64 69)(65 70)(71 76)(72 77)(73 78)(74 79)(75 80)

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

G:=Group( (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), (1,5)(2,4)(6,10)(7,9)(12,20)(13,19)(14,18)(15,17)(21,25)(22,24)(26,30)(27,29)(31,37)(32,36)(33,35)(38,40)(41,45)(42,44)(46,50)(47,49)(52,60)(53,59)(54,58)(55,57)(61,63)(64,70)(65,69)(66,68)(71,75)(72,74)(76,80)(77,79), (1,71,46,70,26,14,37,54)(2,78,45,63,27,11,36,57)(3,75,44,66,28,18,35,60)(4,72,43,69,29,15,34,53)(5,79,42,62,30,12,33,56)(6,76,41,65,21,19,32,59)(7,73,50,68,22,16,31,52)(8,80,49,61,23,13,40,55)(9,77,48,64,24,20,39,58)(10,74,47,67,25,17,38,51), (1,26)(2,27)(3,28)(4,29)(5,30)(6,21)(7,22)(8,23)(9,24)(10,25)(11,16)(12,17)(13,18)(14,19)(15,20)(31,50)(32,41)(33,42)(34,43)(35,44)(36,45)(37,46)(38,47)(39,48)(40,49)(51,56)(52,57)(53,58)(54,59)(55,60)(61,66)(62,67)(63,68)(64,69)(65,70)(71,76)(72,77)(73,78)(74,79)(75,80) );

G=PermutationGroup([(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)], [(1,5),(2,4),(6,10),(7,9),(12,20),(13,19),(14,18),(15,17),(21,25),(22,24),(26,30),(27,29),(31,37),(32,36),(33,35),(38,40),(41,45),(42,44),(46,50),(47,49),(52,60),(53,59),(54,58),(55,57),(61,63),(64,70),(65,69),(66,68),(71,75),(72,74),(76,80),(77,79)], [(1,71,46,70,26,14,37,54),(2,78,45,63,27,11,36,57),(3,75,44,66,28,18,35,60),(4,72,43,69,29,15,34,53),(5,79,42,62,30,12,33,56),(6,76,41,65,21,19,32,59),(7,73,50,68,22,16,31,52),(8,80,49,61,23,13,40,55),(9,77,48,64,24,20,39,58),(10,74,47,67,25,17,38,51)], [(1,26),(2,27),(3,28),(4,29),(5,30),(6,21),(7,22),(8,23),(9,24),(10,25),(11,16),(12,17),(13,18),(14,19),(15,20),(31,50),(32,41),(33,42),(34,43),(35,44),(36,45),(37,46),(38,47),(39,48),(40,49),(51,56),(52,57),(53,58),(54,59),(55,60),(61,66),(62,67),(63,68),(64,69),(65,70),(71,76),(72,77),(73,78),(74,79),(75,80)])

56 conjugacy classes

class 1 2A2B2C2D2E2F2G2H2I2J2K4A4B4C4D4E4F4G4H4I4J4K4L 5 8A···8P10A···10G20A···20H
order12222222222244444444444458···810···1020···20
size1111225555101011112255551010410···104···44···4

56 irreducible representations

dim11111111122444444
type++++++++++
imageC1C2C2C2C2C4C4C4C8D4M4(2)F5C2×F5C2×F5C22⋊F5D5⋊C8D5⋊M4(2)
kernelD10.11M4(2)D10⋊C8C23.2F5C2×D5⋊C8D5×C22×C4C2×C4×D5C22×C20C23×D5C22×D5C4×D5D10C22×C4C2×C4C23C4C22C2
# reps122214221644121444

Matrix representation of D10.11M4(2) in GL8(𝔽41)

10000000
01000000
004000000
000400000
00007700
0000344000
00000001
0000004034
,
400000000
040000000
004000000
000400000
00007700
0000403400
00000001
00000010
,
3819000000
03000000
009250000
000320000
00000010
00000001
000040000
00007100
,
10000000
3740000000
004000000
00410000
00001000
00000100
00000010
00000001

G:=sub<GL(8,GF(41))| [1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,40,0,0,0,0,0,0,0,0,40,0,0,0,0,0,0,0,0,7,34,0,0,0,0,0,0,7,40,0,0,0,0,0,0,0,0,0,40,0,0,0,0,0,0,1,34],[40,0,0,0,0,0,0,0,0,40,0,0,0,0,0,0,0,0,40,0,0,0,0,0,0,0,0,40,0,0,0,0,0,0,0,0,7,40,0,0,0,0,0,0,7,34,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0],[38,0,0,0,0,0,0,0,19,3,0,0,0,0,0,0,0,0,9,0,0,0,0,0,0,0,25,32,0,0,0,0,0,0,0,0,0,0,40,7,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0],[1,37,0,0,0,0,0,0,0,40,0,0,0,0,0,0,0,0,40,4,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1] >;

D10.11M4(2) in GAP, Magma, Sage, TeX

D_{10}._{11}M_4(2)
% in TeX

G:=Group("D10.11M4(2)");
// GroupNames label

G:=SmallGroup(320,1091);
// by ID

G=gap.SmallGroup(320,1091);
# by ID

G:=PCGroup([7,-2,-2,-2,-2,-2,-2,-5,56,253,184,136,6278,1595]);
// Polycyclic

G:=Group<a,b,c,d|a^10=b^2=c^8=d^2=1,b*a*b=a^-1,c*a*c^-1=a^3,a*d=d*a,c*b*c^-1=a^2*b,b*d=d*b,d*c*d=a^5*c^5>;
// generators/relations

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