Finite Group Databasebeta
Cayley diagram

C2×#1305 #8103

order256
nilpotency class3
isoclinismisoclinic class of #1304
automorphismAut(G) order 16384
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C24

Aliases

direct productC2×#1305

Subgroups

subgroupG/H
center, socleC23#95
commutatorC23C2×C42
Frattini, cosocleC23×C4C23
prime radicalC25C2×C4
LCSG ▷ C23 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C24×C4 ◁ G
LECSG ▷ C23×C4 ▷ C22 ▷ C1

493 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 18 points:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#1305, #105471, #105707, …
maximal normal subgroup ofC4×#1305, #105471, #105707, …
maximal quotient ofC2×#7032, #95110, #95124, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 1091);