Finite Group Databasebeta

C22⋊Dic1097 #31798142

order17552
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊Dic1097

Splittings

SylowC1097 ⋊ C22⋊C4

Subgroups

subgroupG/H
center, FrattiniC22C2×D1097
commutatorC2×C1097C2×C4
Fitting, prime radicalC23×C1097C2
socle, cosocleC22×C1097C22
hypercenterC23D1097
hypocenterC1097C22⋊C4
LCSG ▷ C2×C1097 ▷ C1097
UCSC1 ◁ C22 ◁ C23

34 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8776

Polycyclic presentation:

2^4,1097|a^2=d,b^a=bc,e^a=e^1096

Conjugacy classes & character table

4394 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#47975396, #47975397, C22⋊C4×D1097, …
maximal normal subgroup of#47975396, #47975397, C22⋊C4×D1097, …
maximal quotient of#47975389, C22⋊#22578588, #47975397, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17552, 18);