Finite Group Databasebeta
Cayley diagram

C2×#3393 #61389

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

Aliases

direct productC2×#3393

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC22×D8C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×Q8 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

979 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);(4,8)(9,10)(11,12)(13,16)(14,17)(15,19)(18,22)(20,23)(21,25)(24,26);(3,4,7,8)(5,9,6,10)(11,13,15,21)(12,16,19,25)(14,20,22,26)(17,23,18,24);(3,5,7,6)(4,9,8,10)(12,17)(14,22)(16,23)(18,19)(20,26)(24,25);(3,6,7,5)(4,9,8,10)

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131060, #131065, #131067, …
maximal normal subgroup of#131060, #131065, #131067, …
maximal quotient ofC2×#22541, C2×#22727, C2×#22807, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54377);