Finite Group Databasebeta
Cayley diagram

C2×#3372 #61305

order256
nilpotency class3
isoclinismisoclinic class of #3264
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3372

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

927 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)(11,12,15,19)(13,16,20,24)(14,17,22,18)(21,25,26,23);(3,4,6,7)(5,9,10,8)(11,13)(12,16)(14,21)(15,20)(17,25)(18,23)(19,24)(22,26);(12,17)(13,20)(14,22)(16,23)(18,19)(24,25);(3,5,6,10)(4,8,7,9)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220415, #220787, #220859, …
maximal normal subgroup of#220415, #220787, #220859, …
maximal quotient ofC2×#22522, C2×#22547, C2×#22742, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54293);