Finite Group Databasebeta

C2×D163 #10620257

order652
isoclinismisoclinic class of D163
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD326
direct productC2×D163
unambiguous semidirect productC163⋊C22
unambiguous semidirect product(C2×C163)⋊C2

Splittings

Fitting, socleC2×C163 ⋊ C2
derived, SylowC163 ⋊ C22

Subgroups

subgroupG/H
center, hypercenterC2D163
commutator, cosocle, hypocenterC163C22
FrattiniC1G
Fitting, socleC2×C163C2
LCSG ▷ C163
UCSC1 ◁ C2

10 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 165
transitive degreeμt(G) = 326

A minimal faithful permutation representation — 2 generators on 165 points:

(1,2)(3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165);(4,165)(5,164)(6,163)(7,162)(8,161)(9,160)(10,159)(11,158)(12,157)(13,156)(14,155)(15,154)(16,153)(17,152)(18,151)(19,150)(20,149)(21,148)(22,147)(23,146)(24,145)(25,144)(26,143)(27,142)(28,141)(29,140)(30,139)(31,138)(32,137)(33,136)(34,135)(35,134)(36,133)(37,132)(38,131)(39,130)(40,129)(41,128)(42,127)(43,126)(44,125)(45,124)(46,123)(47,122)(48,121)(49,120)(50,119)(51,118)(52,117)(53,116)(54,115)(55,114)(56,113)(57,112)(58,111)(59,110)(60,109)(61,108)(62,107)(63,106)(64,105)(65,104)(66,103)(67,102)(68,101)(69,100)(70,99)(71,98)(72,97)(73,96)(74,95)(75,94)(76,93)(77,92)(78,91)(79,90)(80,89)(81,88)(82,87)(83,86)(84,85)

Conjugacy classes & character table

166 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×D163, C22⋊D163, D652, …
maximal normal subgroup ofC4×D163, C22⋊D163, D652, …
maximal quotient ofC4×D163, C2×Dic163, C22⋊D163, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(652, 3);