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G = C42.82D10order 320 = 26·5

82nd non-split extension by C42 of D10 acting via D10/C5=C22

metabelian, supersoluble, monomial, 2-hyperelementary

Aliases: C42.82D10, C4⋊Q87D5, C4⋊C4.85D10, (C2×C20).296D4, C20.84(C4○D4), C10.Q1642C2, D206C4.16C2, C10.99(C8⋊C22), (C2×C20).407C23, (C4×C20).136C22, C4.17(Q82D5), C4.D20.11C2, C42.D515C2, C10.59(C4.4D4), (C2×D20).114C22, C10.98(C8.C22), C2.20(D4.D10), C2.19(C20.C23), C2.12(C20.23D4), C55(C42.28C22), (C2×Dic10).118C22, (C5×C4⋊Q8)⋊7C2, (C2×C10).538(C2×D4), (C2×C4).74(C5⋊D4), (C5×C4⋊C4).132C22, (C2×C4).504(C22×D5), C22.210(C2×C5⋊D4), (C2×C52C8).139C22, SmallGroup(320,716)

Series: Derived Chief Lower central Upper central

C1C2×C20 — C42.82D10
C1C5C10C20C2×C20C2×D20C4.D20 — C42.82D10
C5C10C2×C20 — C42.82D10
C1C22C42C4⋊Q8

Generators and relations for C42.82D10
 G = < a,b,c,d | a4=b4=1, c10=a2b2, d2=a2b, ab=ba, cac-1=a-1, dad-1=ab2, cbc-1=b-1, bd=db, dcd-1=b-1c9 >

Subgroups: 414 in 100 conjugacy classes, 39 normal (25 characteristic)
C1, C2, C2, C4, C4, C22, C22, C5, C8, C2×C4, C2×C4, D4, Q8, C23, D5, C10, C42, C22⋊C4, C4⋊C4, C4⋊C4, C2×C8, C2×D4, C2×Q8, Dic5, C20, C20, D10, C2×C10, C8⋊C4, D4⋊C4, Q8⋊C4, C4.4D4, C4⋊Q8, C52C8, Dic10, D20, C2×Dic5, C2×C20, C2×C20, C5×Q8, C22×D5, C42.28C22, C2×C52C8, D10⋊C4, C4×C20, C5×C4⋊C4, C5×C4⋊C4, C2×Dic10, C2×D20, Q8×C10, C42.D5, D206C4, C10.Q16, C4.D20, C5×C4⋊Q8, C42.82D10
Quotients: C1, C2, C22, D4, C23, D5, C2×D4, C4○D4, D10, C4.4D4, C8⋊C22, C8.C22, C5⋊D4, C22×D5, C42.28C22, Q82D5, C2×C5⋊D4, D4.D10, C20.C23, C20.23D4, C42.82D10

Smallest permutation representation of C42.82D10
On 160 points
Generators in S160
(1 21 148 79)(2 80 149 22)(3 23 150 61)(4 62 151 24)(5 25 152 63)(6 64 153 26)(7 27 154 65)(8 66 155 28)(9 29 156 67)(10 68 157 30)(11 31 158 69)(12 70 159 32)(13 33 160 71)(14 72 141 34)(15 35 142 73)(16 74 143 36)(17 37 144 75)(18 76 145 38)(19 39 146 77)(20 78 147 40)(41 89 116 137)(42 138 117 90)(43 91 118 139)(44 140 119 92)(45 93 120 121)(46 122 101 94)(47 95 102 123)(48 124 103 96)(49 97 104 125)(50 126 105 98)(51 99 106 127)(52 128 107 100)(53 81 108 129)(54 130 109 82)(55 83 110 131)(56 132 111 84)(57 85 112 133)(58 134 113 86)(59 87 114 135)(60 136 115 88)
(1 117 158 52)(2 53 159 118)(3 119 160 54)(4 55 141 120)(5 101 142 56)(6 57 143 102)(7 103 144 58)(8 59 145 104)(9 105 146 60)(10 41 147 106)(11 107 148 42)(12 43 149 108)(13 109 150 44)(14 45 151 110)(15 111 152 46)(16 47 153 112)(17 113 154 48)(18 49 155 114)(19 115 156 50)(20 51 157 116)(21 90 69 128)(22 129 70 91)(23 92 71 130)(24 131 72 93)(25 94 73 132)(26 133 74 95)(27 96 75 134)(28 135 76 97)(29 98 77 136)(30 137 78 99)(31 100 79 138)(32 139 80 81)(33 82 61 140)(34 121 62 83)(35 84 63 122)(36 123 64 85)(37 86 65 124)(38 125 66 87)(39 88 67 126)(40 127 68 89)
(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 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100)(101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120)(121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140)(141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160)
(1 10 42 116 158 147 107 51)(2 50 108 146 159 115 43 9)(3 8 44 114 160 145 109 49)(4 48 110 144 141 113 45 7)(5 6 46 112 142 143 111 47)(11 20 52 106 148 157 117 41)(12 60 118 156 149 105 53 19)(13 18 54 104 150 155 119 59)(14 58 120 154 151 103 55 17)(15 16 56 102 152 153 101 57)(21 40 138 99 69 68 100 137)(22 136 81 67 70 98 139 39)(23 38 140 97 71 66 82 135)(24 134 83 65 72 96 121 37)(25 36 122 95 73 64 84 133)(26 132 85 63 74 94 123 35)(27 34 124 93 75 62 86 131)(28 130 87 61 76 92 125 33)(29 32 126 91 77 80 88 129)(30 128 89 79 78 90 127 31)

G:=sub<Sym(160)| (1,21,148,79)(2,80,149,22)(3,23,150,61)(4,62,151,24)(5,25,152,63)(6,64,153,26)(7,27,154,65)(8,66,155,28)(9,29,156,67)(10,68,157,30)(11,31,158,69)(12,70,159,32)(13,33,160,71)(14,72,141,34)(15,35,142,73)(16,74,143,36)(17,37,144,75)(18,76,145,38)(19,39,146,77)(20,78,147,40)(41,89,116,137)(42,138,117,90)(43,91,118,139)(44,140,119,92)(45,93,120,121)(46,122,101,94)(47,95,102,123)(48,124,103,96)(49,97,104,125)(50,126,105,98)(51,99,106,127)(52,128,107,100)(53,81,108,129)(54,130,109,82)(55,83,110,131)(56,132,111,84)(57,85,112,133)(58,134,113,86)(59,87,114,135)(60,136,115,88), (1,117,158,52)(2,53,159,118)(3,119,160,54)(4,55,141,120)(5,101,142,56)(6,57,143,102)(7,103,144,58)(8,59,145,104)(9,105,146,60)(10,41,147,106)(11,107,148,42)(12,43,149,108)(13,109,150,44)(14,45,151,110)(15,111,152,46)(16,47,153,112)(17,113,154,48)(18,49,155,114)(19,115,156,50)(20,51,157,116)(21,90,69,128)(22,129,70,91)(23,92,71,130)(24,131,72,93)(25,94,73,132)(26,133,74,95)(27,96,75,134)(28,135,76,97)(29,98,77,136)(30,137,78,99)(31,100,79,138)(32,139,80,81)(33,82,61,140)(34,121,62,83)(35,84,63,122)(36,123,64,85)(37,86,65,124)(38,125,66,87)(39,88,67,126)(40,127,68,89), (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)(81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100)(101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120)(121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140)(141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160), (1,10,42,116,158,147,107,51)(2,50,108,146,159,115,43,9)(3,8,44,114,160,145,109,49)(4,48,110,144,141,113,45,7)(5,6,46,112,142,143,111,47)(11,20,52,106,148,157,117,41)(12,60,118,156,149,105,53,19)(13,18,54,104,150,155,119,59)(14,58,120,154,151,103,55,17)(15,16,56,102,152,153,101,57)(21,40,138,99,69,68,100,137)(22,136,81,67,70,98,139,39)(23,38,140,97,71,66,82,135)(24,134,83,65,72,96,121,37)(25,36,122,95,73,64,84,133)(26,132,85,63,74,94,123,35)(27,34,124,93,75,62,86,131)(28,130,87,61,76,92,125,33)(29,32,126,91,77,80,88,129)(30,128,89,79,78,90,127,31)>;

G:=Group( (1,21,148,79)(2,80,149,22)(3,23,150,61)(4,62,151,24)(5,25,152,63)(6,64,153,26)(7,27,154,65)(8,66,155,28)(9,29,156,67)(10,68,157,30)(11,31,158,69)(12,70,159,32)(13,33,160,71)(14,72,141,34)(15,35,142,73)(16,74,143,36)(17,37,144,75)(18,76,145,38)(19,39,146,77)(20,78,147,40)(41,89,116,137)(42,138,117,90)(43,91,118,139)(44,140,119,92)(45,93,120,121)(46,122,101,94)(47,95,102,123)(48,124,103,96)(49,97,104,125)(50,126,105,98)(51,99,106,127)(52,128,107,100)(53,81,108,129)(54,130,109,82)(55,83,110,131)(56,132,111,84)(57,85,112,133)(58,134,113,86)(59,87,114,135)(60,136,115,88), (1,117,158,52)(2,53,159,118)(3,119,160,54)(4,55,141,120)(5,101,142,56)(6,57,143,102)(7,103,144,58)(8,59,145,104)(9,105,146,60)(10,41,147,106)(11,107,148,42)(12,43,149,108)(13,109,150,44)(14,45,151,110)(15,111,152,46)(16,47,153,112)(17,113,154,48)(18,49,155,114)(19,115,156,50)(20,51,157,116)(21,90,69,128)(22,129,70,91)(23,92,71,130)(24,131,72,93)(25,94,73,132)(26,133,74,95)(27,96,75,134)(28,135,76,97)(29,98,77,136)(30,137,78,99)(31,100,79,138)(32,139,80,81)(33,82,61,140)(34,121,62,83)(35,84,63,122)(36,123,64,85)(37,86,65,124)(38,125,66,87)(39,88,67,126)(40,127,68,89), (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)(81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100)(101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120)(121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140)(141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160), (1,10,42,116,158,147,107,51)(2,50,108,146,159,115,43,9)(3,8,44,114,160,145,109,49)(4,48,110,144,141,113,45,7)(5,6,46,112,142,143,111,47)(11,20,52,106,148,157,117,41)(12,60,118,156,149,105,53,19)(13,18,54,104,150,155,119,59)(14,58,120,154,151,103,55,17)(15,16,56,102,152,153,101,57)(21,40,138,99,69,68,100,137)(22,136,81,67,70,98,139,39)(23,38,140,97,71,66,82,135)(24,134,83,65,72,96,121,37)(25,36,122,95,73,64,84,133)(26,132,85,63,74,94,123,35)(27,34,124,93,75,62,86,131)(28,130,87,61,76,92,125,33)(29,32,126,91,77,80,88,129)(30,128,89,79,78,90,127,31) );

G=PermutationGroup([[(1,21,148,79),(2,80,149,22),(3,23,150,61),(4,62,151,24),(5,25,152,63),(6,64,153,26),(7,27,154,65),(8,66,155,28),(9,29,156,67),(10,68,157,30),(11,31,158,69),(12,70,159,32),(13,33,160,71),(14,72,141,34),(15,35,142,73),(16,74,143,36),(17,37,144,75),(18,76,145,38),(19,39,146,77),(20,78,147,40),(41,89,116,137),(42,138,117,90),(43,91,118,139),(44,140,119,92),(45,93,120,121),(46,122,101,94),(47,95,102,123),(48,124,103,96),(49,97,104,125),(50,126,105,98),(51,99,106,127),(52,128,107,100),(53,81,108,129),(54,130,109,82),(55,83,110,131),(56,132,111,84),(57,85,112,133),(58,134,113,86),(59,87,114,135),(60,136,115,88)], [(1,117,158,52),(2,53,159,118),(3,119,160,54),(4,55,141,120),(5,101,142,56),(6,57,143,102),(7,103,144,58),(8,59,145,104),(9,105,146,60),(10,41,147,106),(11,107,148,42),(12,43,149,108),(13,109,150,44),(14,45,151,110),(15,111,152,46),(16,47,153,112),(17,113,154,48),(18,49,155,114),(19,115,156,50),(20,51,157,116),(21,90,69,128),(22,129,70,91),(23,92,71,130),(24,131,72,93),(25,94,73,132),(26,133,74,95),(27,96,75,134),(28,135,76,97),(29,98,77,136),(30,137,78,99),(31,100,79,138),(32,139,80,81),(33,82,61,140),(34,121,62,83),(35,84,63,122),(36,123,64,85),(37,86,65,124),(38,125,66,87),(39,88,67,126),(40,127,68,89)], [(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),(81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100),(101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120),(121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140),(141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160)], [(1,10,42,116,158,147,107,51),(2,50,108,146,159,115,43,9),(3,8,44,114,160,145,109,49),(4,48,110,144,141,113,45,7),(5,6,46,112,142,143,111,47),(11,20,52,106,148,157,117,41),(12,60,118,156,149,105,53,19),(13,18,54,104,150,155,119,59),(14,58,120,154,151,103,55,17),(15,16,56,102,152,153,101,57),(21,40,138,99,69,68,100,137),(22,136,81,67,70,98,139,39),(23,38,140,97,71,66,82,135),(24,134,83,65,72,96,121,37),(25,36,122,95,73,64,84,133),(26,132,85,63,74,94,123,35),(27,34,124,93,75,62,86,131),(28,130,87,61,76,92,125,33),(29,32,126,91,77,80,88,129),(30,128,89,79,78,90,127,31)]])

44 conjugacy classes

class 1 2A2B2C2D4A4B4C4D4E4F4G5A5B8A8B8C8D10A···10F20A···20L20M···20T
order12222444444455888810···1020···2020···20
size1111402244884022202020202···24···48···8

44 irreducible representations

dim11111122222244444
type+++++++++++-+
imageC1C2C2C2C2C2D4D5C4○D4D10D10C5⋊D4C8⋊C22C8.C22Q82D5D4.D10C20.C23
kernelC42.82D10C42.D5D206C4C10.Q16C4.D20C5×C4⋊Q8C2×C20C4⋊Q8C20C42C4⋊C4C2×C4C10C10C4C2C2
# reps11221122424811444

Matrix representation of C42.82D10 in GL8(𝔽41)

133335350000
828600000
0372180000
4440200000
000000185
000000123
0000233600
0000401800
,
400000000
040000000
004000000
000400000
00000010
00000001
000040000
000004000
,
3830210000
381723200000
91321380000
0372660000
0000427377
00003031263
00003773714
00002631110
,
3380200000
17382330000
13921240000
37026200000
00001027334
000021312938
00003871027
00001232131

G:=sub<GL(8,GF(41))| [13,8,0,4,0,0,0,0,33,28,37,4,0,0,0,0,35,6,21,40,0,0,0,0,35,0,8,20,0,0,0,0,0,0,0,0,0,0,23,40,0,0,0,0,0,0,36,18,0,0,0,0,18,1,0,0,0,0,0,0,5,23,0,0],[40,0,0,0,0,0,0,0,0,40,0,0,0,0,0,0,0,0,40,0,0,0,0,0,0,0,0,40,0,0,0,0,0,0,0,0,0,0,40,0,0,0,0,0,0,0,0,40,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0],[38,38,9,0,0,0,0,0,3,17,13,37,0,0,0,0,0,23,21,26,0,0,0,0,21,20,38,6,0,0,0,0,0,0,0,0,4,30,37,26,0,0,0,0,27,31,7,3,0,0,0,0,37,26,37,11,0,0,0,0,7,3,14,10],[3,17,13,37,0,0,0,0,38,38,9,0,0,0,0,0,0,23,21,26,0,0,0,0,20,3,24,20,0,0,0,0,0,0,0,0,10,21,38,12,0,0,0,0,27,31,7,3,0,0,0,0,3,29,10,21,0,0,0,0,34,38,27,31] >;

C42.82D10 in GAP, Magma, Sage, TeX

C_4^2._{82}D_{10}
% in TeX

G:=Group("C4^2.82D10");
// GroupNames label

G:=SmallGroup(320,716);
// by ID

G=gap.SmallGroup(320,716);
# by ID

G:=PCGroup([7,-2,-2,-2,-2,-2,-2,-5,253,344,254,555,100,1123,297,136,12550]);
// Polycyclic

G:=Group<a,b,c,d|a^4=b^4=1,c^10=a^2*b^2,d^2=a^2*b,a*b=b*a,c*a*c^-1=a^-1,d*a*d^-1=a*b^2,c*b*c^-1=b^-1,b*d=d*b,d*c*d^-1=b^-1*c^9>;
// generators/relations

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