Finite Group Databasebeta

C2×D7923 #44540126

order31692
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD15846
direct productC2×D7923
unambiguous semidirect product(C2×C3)⋊D2641
unambiguous semidirect product(C2×C19)⋊D417
unambiguous semidirect product(C2×C139)⋊D57

Splittings

Fitting, socleC2×C3×C19×C139 ⋊ C2
derived, HallC3×C19×C139 ⋊ C22
HallC19×C139 ⋊ C2×D3
HallC3×C139 ⋊ C2×D19
SylowC139 ⋊ C2×D57
HallC3×C19 ⋊ C2×D139
SylowC19 ⋊ C2×D417
SylowC3 ⋊ C2×D2641

Subgroups

subgroupG/H
center, hypercenterC2D7923
commutator, cosocle, hypocenterC3×C19×C139C22
FrattiniC1G
Fitting, socleC2×C3×C19×C139C2
LCSG ▷ C3×C19×C139
UCSC1 ◁ C2

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 163
transitive degreeμt(G) = 15846

A minimal faithful permutation representation — 2 generators on 163 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)(25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163);(4,5)(7,24)(8,23)(9,22)(10,21)(11,20)(12,19)(13,18)(14,17)(15,16)(26,163)(27,162)(28,161)(29,160)(30,159)(31,158)(32,157)(33,156)(34,155)(35,154)(36,153)(37,152)(38,151)(39,150)(40,149)(41,148)(42,147)(43,146)(44,145)(45,144)(46,143)(47,142)(48,141)(49,140)(50,139)(51,138)(52,137)(53,136)(54,135)(55,134)(56,133)(57,132)(58,131)(59,130)(60,129)(61,128)(62,127)(63,126)(64,125)(65,124)(66,123)(67,122)(68,121)(69,120)(70,119)(71,118)(72,117)(73,116)(74,115)(75,114)(76,113)(77,112)(78,111)(79,110)(80,109)(81,108)(82,107)(83,106)(84,105)(85,104)(86,103)(87,102)(88,101)(89,100)(90,99)(91,98)(92,97)(93,96)(94,95)

Conjugacy classes & character table

7926 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD31692
maximal normal subgroup ofD31692
maximal quotient ofDic15846, D31692

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31692, 64);