Finite Group Databasebeta
Cayley diagram

C2×M256 #153700

order512
nilpotency class2
isoclinismisoclinic class of D4
automorphism?
homologyAbelianization (H1) = C22×C64 · Schur multiplier (H2) = C22

Aliases

direct productC2×M256

Subgroups

subgroupG/H
centerC2×C64C22
commutatorC2C22×C64
Frattini, cosocleC64C23
socleC22C2×C64
prime radicalC23C64
LCSG ▷ C2 ▷ C1
UCSC1 ◁ 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);(4,68)(6,70)(8,72)(10,74)(12,76)(14,78)(16,80)(18,82)(20,84)(22,86)(24,88)(26,90)(28,92)(30,94)(32,96)(34,98)(36,100)(38,102)(40,104)(42,106)(44,108)(46,110)(48,112)(50,114)(52,116)(54,118)(56,120)(58,122)(60,124)(62,126)(64,128)(66,130)

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 60896);