Finite Group Databasebeta
Cayley diagram

C2×#3364 #61301

order256
nilpotency class3
isoclinismisoclinic class of D4×D8
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3364

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC22×D4C23
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×Q8 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

915 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)(8,9)(11,12)(13,17)(14,21)(15,23)(16,19)(18,20)(22,25)(24,26);(3,4,6,7)(5,9,10,8)(11,13,16,15)(12,17,19,23)(14,20,22,24)(18,25,26,21);(11,14,16,22)(12,18,19,26)(13,20,15,24)(17,25,23,21);(3,5,6,10)(4,8,7,9)

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220382, #220454, #220480, …
maximal normal subgroup of#220382, #220454, #220480, …
maximal quotient ofC2×#22521, C2×#22541, C2×#22739, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54289);