Finite Group Databasebeta
Cayley diagram

C2×#2897 #60084

order256
nilpotency class3
isoclinismisoclinic class of #576
automorphismAut(G) order 393216
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C210

Aliases

direct productC2×#2897

Subgroups

subgroupG/H
center, socleC23C22×D4
commutatorC4C24×C4
Frattini, cosocleC2×C4C25
prime radicalC22×H(5,𝔽2)C2
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×#41 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

2613 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 22 points:

(1,2);(3,4,5,6)(7,8)(9,13)(10,12)(11,15)(14,18)(16,20)(17,19)(21,22);(8,12)(10,18)(13,19)(14,15)(17,22)(20,21);(7,9)(8,13)(10,17)(11,16)(12,19)(14,21)(15,20)(18,22);(9,16)(13,20)(17,22)(19,21)

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#2897⋊C3
maximal subgroup of#356070, #356072, #356104, …
maximal normal subgroup of#356070, #356072, #356104, …
maximal quotient ofC2×#17438, C2×#17453, #6342931, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53072);