Finite Group Databasebeta

C22×D4×#379 #72289376

order2048
nilpotency class2
automorphism?
homologyAbelianization (H1) = C26×C4 · Schur multiplier (H2) = C224

Aliases

direct productC22×D4×#379

Subgroups

subgroupG/H
center, socleC26C25
commutatorC23C26×C4
Frattini, cosocleC24C27
prime radicalC27×D4C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C26 ◁ G
LECSG ▷ C24 ▷ C1

8444856 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 7 generators on 20 points:

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

Conjugacy classes & character table

560 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC22×D4×#2846, C2×#72296159, C2×#72296167, …
maximal normal subgroup ofC22×D4×#2846, C2×#72296159, C2×#72296167, …
maximal quotient ofC2×#72296167

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from a minimal faithful permutation representation:

gap> G := Group((10,12)(13,14,15,16)(18,20), (17,18)(19,20), (9,10)(11,12)(13,14)(15,16)(17,18)(19,20), (6,8), (5,6)(7,8), (3,4), (1,2)(3,4));