Finite Group Databasebeta
Cayley diagram

C2×SD256 #153703

order512
nilpotency class7
isoclinismisoclinic class of D128
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

direct productC2×SD256

Subgroups

subgroupG/H
center, socleC22D64
commutator, Frattini, cosocleC64C23
prime radicalC2×D64C2
LCSG ▷ C64 ▷ C32 ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×C8 ◁ C2×C16 ◁ C2×C32 ◁ C2×C64 ◁ G
LECSG ▷ C64 ▷ C32 ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1

78 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 130
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 3 generators on 130 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);(4,66)(5,129)(6,64)(7,127)(8,62)(9,125)(10,60)(11,123)(12,58)(13,121)(14,56)(15,119)(16,54)(17,117)(18,52)(19,115)(20,50)(21,113)(22,48)(23,111)(24,46)(25,109)(26,44)(27,107)(28,42)(29,105)(30,40)(31,103)(32,38)(33,101)(34,36)(35,99)(37,97)(39,95)(41,93)(43,91)(45,89)(47,87)(49,85)(51,83)(53,81)(55,79)(57,77)(59,75)(61,73)(63,71)(65,69)(68,130)(70,128)(72,126)(74,124)(76,122)(78,120)(80,118)(82,116)(84,114)(86,112)(88,110)(90,108)(92,106)(94,104)(96,102)(98,100)

Conjugacy classes & character table

134 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 60899);