Finite Group Databasebeta
Cayley diagram

C2×#3336 #61227

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

Aliases

direct productC2×#3336

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC22×D4D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×D4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

933 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);(3,4,7,6)(5,9,10,8)(11,12)(13,16)(14,17)(15,19)(18,22)(20,23)(21,25)(24,26);(3,5)(4,8)(6,9)(7,10)(11,13,15,21)(12,16,19,25)(14,20,22,26)(17,23,18,24);(3,6,7,4)(5,9,10,8)(12,17)(14,22)(16,23)(18,19)(20,26)(24,25);(5,10)(8,9)

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#130797, #130801, #130804, …
maximal normal subgroup of#130797, #130801, #130804, …
maximal quotient ofC2×#22486, C2×#22611, C2×#22613, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54215);