Finite Group Databasebeta

C22⋊Dic1031 #30658146

order16496
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊Dic1031

Splittings

SylowC1031 ⋊ C22⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D1031
commutatorC2×C1031C2×C4
Fitting, prime radicalC23×C1031C2
socle, cosocleC22×C1031C22
hypercenterC23D1031
hypocenterC1031C22⋊C4
LCSG ▷ C2×C1031 ▷ C1031
UCSC1 ◁ C22 ◁ C23

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8248

Polycyclic presentation:

2^4,1031|a^2=d,b^a=bc,e^a=e^1030

Conjugacy classes & character table

4130 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45682338, #45682339, C22⋊C4×D1031, …
maximal normal subgroup of#45682338, #45682339, C22⋊C4×D1031, …
maximal quotient ofC1031⋊#95, C22⋊(C1031⋊C8), #45682339, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16496, 18);