Finite Group Databasebeta
Cayley diagram

C2×#3113 #60545

order256
nilpotency class3
isoclinismisoclinic class of #3003
automorphismAut(G) order 262144
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3113

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC24C2×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1059 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);(3,4)(5,8)(6,7)(9,10)(11,12,15,18)(13,19,20,26)(14,22,24,17)(16,23,25,21);(4,7)(8,10);(11,13,15,20)(12,16,18,25)(14,23,24,21)(17,26,22,19);(3,5,6,9)(4,8,7,10)(13,20)(16,25)(19,26)(21,23)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#111750, #111798, #111882, …
maximal normal subgroup of#111750, #111798, #111882, …
maximal quotient ofC2×#20740, C2×#21123, C2×#21365, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53533);