Finite Group Databasebeta
Cayley diagram

C2×#3228 #60843

order256
nilpotency class3
isoclinismisoclinic class of #3186
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3228

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC2×#532C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1029 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 26 points:

(1,2);(4,7)(5,8)(9,10)(11,12)(13,19)(14,17)(15,18)(16,21)(20,25)(22,24)(23,26);(3,4,6,7)(5,9,10,8)(11,13,15,21)(12,16,18,19)(14,22,23,20)(17,25,26,24);(3,5,6,10)(4,8,7,9)(11,14,15,23)(12,17,18,26)(13,20,21,22)(16,24,19,25);(3,4,6,7)(5,8,10,9)(12,18)(16,19)(17,26)(24,25)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#112080, #112085, #112110, …
maximal normal subgroup of#112080, #112085, #112110, …
maximal quotient ofC2×#21835, C2×#21863, C2×#21984, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53831);