Finite Group Databasebeta
Cayley diagram

C2×#1913 #21013

order256
nilpotency class3
isoclinismisoclinic class of #1913
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

direct productC2×#1913

Subgroups

subgroupG/H
center, socleC22#386
commutatorC23C23×C4
Frattini, cosocleC24C24
prime radicalC2×#534C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C25 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

1039 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 4 generators on 18 points:

(1,2);(3,4)(5,8,12,16)(6,13,14,9)(7,10)(11,15)(17,18);(3,5)(4,8,10,16)(6,11)(7,12)(9,15,13,18)(14,17);(3,6)(4,9)(5,11)(7,14)(8,15)(10,13)(12,17)(16,18)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146609, #146614, #147783, …
maximal normal subgroup of#146609, #146614, #147783, …
maximal quotient ofC2×#9107, C2×#9108, #196311, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14001);