Finite Group Databasebeta
Cayley diagram

C2×C22⋊C4 #115

order32
nilpotency class2
isoclinismisoclinic class of D4
automorphismAut(G) = #144366 (order 512) · Inn(G) = C22 · Out(G) = #2021
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

direct productC2×C22⋊C4

Subgroups

subgroupG/H
center, socleC23C22
commutatorC2C22×C4
Frattini, cosocleC22C23
prime radicalC24C2
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C22 ▷ C1

66 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 10
transitive degreeμt(G) = 16

A minimal faithful permutation representation — 3 generators on 10 points:

(1,2);(4,6)(7,8,9,10);(3,4)(5,6)(7,8)(9,10)

Conjugacy classes & character table

20 conjugacy classes — view the full character table.

Relationships

derived subgroup of#7394, #7395, #7426, …
Frattini subgroup of#1316, #1317, #1326, …
Fitting subgroup ofC2×C22⋊C4×A5, C22⋊C4×SL(2,𝔽5), C2×#11751534, …
maximal subgroup of#323, #342, C4×C22⋊C4, …
maximal normal subgroup of#323, #342, C4×C22⋊C4, …
maximal quotient ofC2×#95, C4×C22⋊C4, #379, …
outer automorphism group of#125, #433, #4543, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(32, 22);