Finite Group Databasebeta

C7×#1784 #11730253

order896
nilpotency class3
isoclinismisoclinic class of #1462
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C25

Aliases

direct productC7×#1784

Subgroups

subgroupG/H
center, socleC22×C7C2×C22⋊C4
commutatorC23C22×C4×C7
Frattini, cosocleC22×C4C23×C7
prime radicalC24×C7C2×C4
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22×C7 ◁ C23×C4×C7 ◁ G

564 conjugacy classes of subgroups; only the 144 normal subgroups are shown.

normal subgroups only

This group has 564 conjugacy classes of subgroups — too many to draw. Only its 144 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 27
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 3 generators on 27 points:

(1,2,3,4,5,6,7)(8,9)(10,11)(12,13,15,19,16,18,24,26)(14,20,21,27,22,17,23,25);(12,14,16,22)(13,17,18,20)(15,23,24,21)(19,27,26,25);(9,11)

Conjugacy classes & character table

224 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#13241076, #13241093, #13241094, …
maximal subgroup ofC7×#7308, C7×#7315, C7×#7317, …
maximal normal subgroup ofC7×#7308, C7×#7315, C7×#7317, …
maximal quotient ofC7×#8299, C7×#8303, C7×#8306, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(896, 5019);