Finite Group Databasebeta

C2×D7089 #43248604

order28356
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD14178
direct productC2×D7089
unambiguous semidirect product(C2×C3)⋊D2363
unambiguous semidirect product(C2×C17)⋊D417
unambiguous semidirect product(C2×C139)⋊D51

Splittings

Fitting, socleC2×C3×C17×C139 ⋊ C2
derived, HallC3×C17×C139 ⋊ C22
HallC17×C139 ⋊ C2×D3
HallC3×C139 ⋊ C2×D17
SylowC139 ⋊ C2×D51
HallC3×C17 ⋊ C2×D139
SylowC17 ⋊ C2×D417
SylowC3 ⋊ C2×D2363

Subgroups

subgroupG/H
center, hypercenterC2D7089
commutator, cosocle, hypocenterC3×C17×C139C22
FrattiniC1G
Fitting, socleC2×C3×C17×C139C2
LCSG ▷ C3×C17×C139
UCSC1 ◁ C2

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 161
transitive degreeμt(G) = 14178

A minimal faithful permutation representation — 2 generators on 161 points:

(1,2)(3,4,5)(6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22)(23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161);(4,5)(7,22)(8,21)(9,20)(10,19)(11,18)(12,17)(13,16)(14,15)(24,161)(25,160)(26,159)(27,158)(28,157)(29,156)(30,155)(31,154)(32,153)(33,152)(34,151)(35,150)(36,149)(37,148)(38,147)(39,146)(40,145)(41,144)(42,143)(43,142)(44,141)(45,140)(46,139)(47,138)(48,137)(49,136)(50,135)(51,134)(52,133)(53,132)(54,131)(55,130)(56,129)(57,128)(58,127)(59,126)(60,125)(61,124)(62,123)(63,122)(64,121)(65,120)(66,119)(67,118)(68,117)(69,116)(70,115)(71,114)(72,113)(73,112)(74,111)(75,110)(76,109)(77,108)(78,107)(79,106)(80,105)(81,104)(82,103)(83,102)(84,101)(85,100)(86,99)(87,98)(88,97)(89,96)(90,95)(91,94)(92,93)

Conjugacy classes & character table

7092 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD28356
maximal normal subgroup ofD28356
maximal quotient ofDic14178, D28356

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28356, 40);