Finite Group Databasebeta
Cayley diagram

C2×#2971 #60203

order256
nilpotency class2
isoclinismisoclinic class of D42
automorphismAut(G) order 393216
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28

Aliases

direct productC2×#2971

Subgroups

subgroupG/H
centerC22×C4C24
commutatorC22C24×C4
Frattini, cosocleC2×C4C25
socleC23C23×C4
prime radicalC22×#41C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1115 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 18 points:

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

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#2971⋊C3
maximal subgroup of#105697, #105702, #105985, …
maximal normal subgroup of#105697, #105702, #105985, …
maximal quotient ofC2×#20480, C2×#20494, C2×Q8×#97, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53191);